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Petit A, Tesseraud S, Collin A, Couroussé N, Berri C, Bihan-Duval EL, Métayer-Coustard S. Ontogeny of hepatic metabolism in two broiler lines divergently selected for the ultimate pH of the Pectoralis major muscle. BMC Genomics 2024; 25:438. [PMID: 38698322 PMCID: PMC11067279 DOI: 10.1186/s12864-024-10323-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 04/18/2024] [Indexed: 05/05/2024] Open
Abstract
BACKGROUND Nutrient availability during early stages of development (embryogenesis and the first week post-hatch) can have long-term effects on physiological functions and bird metabolism. The embryo develops in a closed structure and depends entirely on the nutrients and energy available in the egg. The aim of this study was to describe the ontogeny of pathways governing hepatic metabolism that mediates many physiological functions in the pHu + and pHu- chicken lines, which are divergently selected for the ultimate pH of meat, a proxy for muscle glycogen stores, and which differ in the nutrient content and composition of eggs. RESULTS We identified eight clusters of genes showing a common pattern of expression between embryonic day 12 (E12) and day 8 (D8) post-hatch. These clusters were not representative of a specific metabolic pathway or function. On E12 and E14, the majority of genes differentially expressed between the pHu + and pHu- lines were overexpressed in the pHu + line. Conversely, the majority of genes differentially expressed from E18 were overexpressed in the pHu- line. During the metabolic shift at E18, there was a decrease in the expression of genes linked to several metabolic functions (e.g. protein synthesis, autophagy and mitochondrial activity). At hatching (D0), there were two distinct groups of pHu + chicks based on hierarchical clustering; these groups also differed in liver weight and serum parameters (e.g. triglyceride content and creatine kinase activity). At D0 and D8, there was a sex effect for several metabolic pathways. Metabolism appeared to be more active and oriented towards protein synthesis (RPS6) and fatty acid β-oxidation (ACAA2, ACOX1) in males than in females. In comparison, the genes overexpressed in females were related to carbohydrate metabolism (SLC2A1, SLC2A12, FoxO1, PHKA2, PHKB, PRKAB2 and GYS2). CONCLUSIONS Our study provides the first detailed description of the evolution of different hepatic metabolic pathways during the early development of embryos and post-hatching chicks. We found a metabolic orientation for the pHu + line towards proteolysis, glycogen degradation, ATP synthesis and autophagy, likely in response to a higher energy requirement compared with pHu- embryos. The metabolic orientations specific to the pHu + and pHu- lines are established very early, probably in relation with their different genetic background and available nutrients.
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Affiliation(s)
| | | | - Anne Collin
- INRAE, Université de Tours, BOA, Nouzilly, 37380, France
| | | | - Cécile Berri
- INRAE, Université de Tours, BOA, Nouzilly, 37380, France
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2
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Collet JM, Bonnefous C, Germain K, Ravon L, Calandreau L, Guesdon V, Collin A, Le Bihan-Duval E, Mignon-Grasteau S. High-throughput phenotyping to characterise range use behaviour in broiler chickens. Animal 2024; 18:101099. [PMID: 38377811 DOI: 10.1016/j.animal.2024.101099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 01/19/2024] [Accepted: 01/25/2024] [Indexed: 02/22/2024] Open
Abstract
A key characteristic of free-range chicken farming is to enable chickens to spend time outdoors. However, each chicken may use the available areas for roaming in variable ways. To check if, and how, broilers use their outdoor range at an individual level, we need to reliably characterise range use behaviour. Traditional methods relying on visual scans require significant time investment and only provide discontinuous information. Passive RFID (Radio Frequency Identification) systems enable tracking individually tagged chickens' when they go through pop-holes; hence, they only provide partial information on the movements of individual chickens. Here, we describe a new method to measure chickens' range use and test its reliability on three ranges each containing a different breed. We used an active RFID system to localise chickens in their barn, or in one of nine zones of their range, every 30 seconds and assessed range-use behaviour in 600 chickens belonging to three breeds of slow- or medium-growing broilers used for outdoor production (all <40 g daily weight gain). From those real-time locations, we determined five measures to describe daily range use: time spent in the barn, number of outdoor accesses, number of zones visited in a day, gregariousness (an index that increases when birds spend time in zones where other birds are), and numbers of zone changes. Principal Component Analyses (PCAs) were performed on those measures, in each production system, to create two synthetic indicators of chickens' range use behaviour. The first two PCA axes represented over 90% of the variance of the five measures and were both consistent over time and correlated with independent visual scans. Contributions of the five measures to the PCAs were similar among breeds, except for the correlation between the number of outdoor accesses and the four other measures. PC1 correlated with time spent inside the barn and zone changes frequency, whilst PC2 was explained by exploration of the range. Taken together, PC1 and PC2 indicators showed that range use increased with age, outdoor temperature (in spring), and did not differ between males and females. Importantly, daily scores for both indicators were repeatable among individuals - particularly in PC1 - showing inter-individual variability on range-use. The characterisation of broiler behaviour around their range with these reliable and repeatable indicators provides novel tools to help understand individual variations of range-use in free-range farming.
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Affiliation(s)
- Julie M Collet
- INRAE, Université de Tours, BOA, 37380 Nouzilly, France.
| | | | - Karine Germain
- INRAE, UE EASM, Le Magneraud, CS 40052, 17700 Surgères, France
| | - Laure Ravon
- INRAE, UE EASM, Le Magneraud, CS 40052, 17700 Surgères, France
| | | | - Vanessa Guesdon
- Junia, Comportement Animal et Systèmes d'Elevage, F-59000 Lille, France
| | - Anne Collin
- INRAE, Université de Tours, BOA, 37380 Nouzilly, France
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3
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Petit A, Tesseraud S, Beauclercq S, Nadal-Desbarats L, Cailleau-Audouin E, Réhault-Godbert S, Berri C, Le Bihan-Duval E, Métayer-Coustard S. Allantoic fluid metabolome reveals specific metabolic signatures in chicken lines different for their muscle glycogen content. Sci Rep 2023; 13:8867. [PMID: 37258592 DOI: 10.1038/s41598-023-35652-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 05/22/2023] [Indexed: 06/02/2023] Open
Abstract
Nutrient availability in eggs can affect early metabolic orientation in birds. In chickens divergently selected on the Pectoralis major ultimate pH, a proxy for muscle glycogen stores, characterization of the yolk and amniotic fluid revealed a different nutritional environment. The present study aimed to assess indicators of embryo metabolism in pHu lines (pHu+ and pHu-) using allantoic fluids (compartment storing nitrogenous waste products and metabolites), collected at days 10, 14 and 17 of embryogenesis and characterized by 1H-NMR spectroscopy. Analysis of metabolic profiles revealed a significant stage effect, with an enrichment in metabolites at the end of incubation, and an increase in interindividual variability during development. OPLS-DA analysis discriminated the two lines. The allantoic fluid of pHu- was richer in carbohydrates, intermediates of purine metabolism and derivatives of tryptophan-histidine metabolism, while formate, branched-chain amino acids, Krebs cycle intermediates and metabolites from different catabolic pathways were more abundant in pHu+. In conclusion, the characterization of the main nutrient sources for embryos and now allantoic fluids provided an overview of the in ovo nutritional environment of pHu lines. Moreover, this study revealed the establishment, as early as day 10 of embryo development, of specific metabolic signatures in the allantoic fluid of pHu+ and pHu- lines.
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Affiliation(s)
| | | | | | | | | | | | - Cécile Berri
- INRAE, Université de Tours, BOA, 37380, Nouzilly, France
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4
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Bonnefous C, Calandreau L, Le Bihan-Duval E, Ferreira VHB, Barbin A, Collin A, Reverchon M, Germain K, Ravon L, Kruger N, Mignon-Grasteau S, Guesdon V. Behavioural indicators of range use in four broiler strains. Appl Anim Behav Sci 2023. [DOI: 10.1016/j.applanim.2023.105870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
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Poompramun C, Mignon-Grasteau S, Juanchich A, Hennequet-Antier C, Thumanu K, Bihan-Duval EL, Molee A. Phenotypic correlations between feed efficiency, growth, and meat quality of slow-growing chickens. Br Poult Sci 2022; 63:742-746. [PMID: 35749274 DOI: 10.1080/00071668.2022.2094218] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
1. Korat (KR) chicken is a new meat-type chicken breed established with the purpose of developing Small and Micro Community Enterprise Production. This slow-growing chicken has been recognised for its good texture and flavour, but its low feed efficiency is associated with high cost of production which can hamper the development of local production. This has highlighted the importance of studying the trade-off between feed efficiency and meat quality in KR chicken.2. This study investigated the phenotypic correlations between feed efficiency, growth performance, and meat quality in KR chicken. Individual body weight and feed intake were recorded weekly for 75 male KR chickens for the calculation of feed conversion ratio (FCR) and residual feed intake (RFI). The growth curve was modelled by Gompertz function and meat quality evaluated at 10 weeks of age, through the measurement of pH (pHu), water-holding capacity (WHC) and drip loss (DL) in breast and thigh muscle.3. Faster growth rate at young age appeared favourable, regarding feed efficiency, since a moderate negative correlation was found between FCR and initial growth rate. Chickens with a higher initial growth and maturation rates were characterised by lower water-holding capacity in meat. This was not associated with acidic meat, since a higher speed of growth (especially in the first weeks) was positively associated with final pH in breast meat. Relationships between RFI and meat quality traits appeared to be weak. While better FCR could be achieved by increased initial growth rate, this seemed to negatively impact water-holding capacity of the meat.4. RFI appeared as an interesting alternative as a compromise between FCR and meat quality.
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Affiliation(s)
- Chotima Poompramun
- School of Animal Technology and Innovation, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand
| | | | | | | | - Kanjana Thumanu
- Synchrotron Light Research Institute (Public Organization), Nakhon Ratchasima 30000, Thailand
| | | | - Amonrat Molee
- School of Animal Technology and Innovation, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand
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Beauclercq S, Mignon-Grasteau S, Petit A, Berger Q, Lefèvre A, Métayer-Coustard S, Tesseraud S, Emond P, Berri C, Le Bihan-Duval E. A Divergent Selection on Breast Meat Ultimate pH, a Key Factor for Chicken Meat Quality, is Associated With Different Circulating Lipid Profiles. Front Physiol 2022; 13:935868. [PMID: 35812337 PMCID: PMC9257005 DOI: 10.3389/fphys.2022.935868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 05/30/2022] [Indexed: 11/29/2022] Open
Abstract
Background: Chicken meat has become a major source of protein for human consumption. However, the quality of the meat is not yet under control, especially since pH values that are too low or too high are often observed. In an attempt to get a better understanding of the genetic and biochemical determinants of the ultimate pH, two genetic lines of broilers were divergently selected for low (pHu−) or high (pHu+) breast meat pHu. In this study, the serum lipidome of 17-day-old broilers from both lines was screened for pHu markers using liquid-chromatography coupled with mass spectrometry (LC-HRMS). Results: A total of 185 lipids belonging to 4 groups (glycerolipids, glycerophospholipids, sterols, sphingolipids) were identified in the sera of 268 broilers from the pHu lines by targeted lipidomics. The glycerolipids, which are involved in energy storage, were in higher concentration in the blood of pHu− birds. The glycerophospholipids (phosphatidylcholines, phosphatidylethanolamines) with long and polyunsaturated acyl chains were more abundant in pHu+ than in pHu− while the lysophosphatidylcholines and lysophosphatidylethanolamines, known to be associated with starch, were observed in higher quantity in the serum of the pHu− line. Finally, the concentration of the sterols and the ceramides, belonging to the sphingolipids class, were higher in the pHu+ and pHu−, respectively. Furthermore, orthogonal partial least-squares analyses highlighted a set of 68 lipids explaining 77% of the differences between the two broilers lines (R2Y = 0.77, Q2 = 0.67). Among these lipids, a subset of 40 predictors of the pHu value was identified with a Root Mean Squared Error of Estimation of 0.18 pH unit (R2Y = 0.69 and Q2 = 0.62). The predictive model of the pHu value was externally validated on 68 birds with a Root Mean Squared Error of Prediction of 0.25 pH unit. Conclusion: The sets of molecules identified will be useful for a better understanding of relationship between serum lipid profile and meat quality, and will contribute to define easily accessible pHu biomarkers on live birds that could be useful in genetic selection.
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Affiliation(s)
- Stéphane Beauclercq
- INRAE, Université de Tours, BOA, Tours, France
- *Correspondence: Stéphane Beauclercq,
| | | | | | | | - Antoine Lefèvre
- Université de Tours, PST Analyse des Systèmes Biologiques, Tours, France
| | | | | | - Patrick Emond
- Université de Tours, PST Analyse des Systèmes Biologiques, Tours, France
- UMR 1253, iBrain, Université de Tours, Inserm, Tours, France
- CHRU de Tours, Service de Médecine Nucléaire In Vitro, Tours, France
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Berger Q, Guettier E, Bernard J, Ganier P, Chahnamian M, Le Bihan-Duval E, Mignon-Grasteau S. Profiles of genetic parameters of body weight and feed efficiency in two divergent broiler lines for meat ultimate pH. BMC Genom Data 2022; 23:18. [PMID: 35291935 PMCID: PMC8925093 DOI: 10.1186/s12863-022-01035-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 02/14/2022] [Indexed: 11/30/2022] Open
Abstract
Background Selection for feed efficiency is one of the best ways to decrease poultry production costs and environmental impacts. While literature on its genetic determinism is abundant, it is limited to one or a few periodic values over the animals’ lifespans. With the development of new phenotyping tools, kinetics of growth and feed intake are now available, providing access to daily data on feed efficiency. In this study, over the course of 6 weeks, we described the kinetics of body weight (BW), average daily weight gain (ADG), feed intake (FI), and daily cumulative feed conversion ratio (DCFCR) using electronic feed stations. We then estimated the genetic parameters of daily data in two fast growing lines of chicken divergently selected for breast meat ultimate pH (heritability and genetic correlations with breast meat yield and pH). Results Birds from the line selected to have a more acidic meat (pHu-), were more efficient than those selected to have a less acidic meat (pHu+), with a 4.3% higher BW from d7 to d29 and 5.0% better feed efficiency from d12 to slaughter. The line effect for ADG and DCFCR appeared to be significant as early as d5, which is consistent with the early age at which metabolic differences between the two lines appear. Genetic parameters estimated within each line revealed different genetic determinisms of growth and feed efficiency, with a higher impact of maternal effects on BW during the growing phase (d10 to d20) in the pHu+ line and much higher heritability values of DCFCR during the finishing phase (d26-d42) in the pHu- line. Conclusion Genetic profiles of daily performance highlighted the difference between both lines. Their behavior during dietary transitions reinforced the already known impact of these periods in the animals’ lives. Based on the profiles of genetic parameters within each line, it seems feasible to identify early criteria for selecting feed efficiency, but they must be defined for each line, as the genetic determinism of these traits is line-dependent. Supplementary Information The online version contains supplementary material available at 10.1186/s12863-022-01035-z.
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Affiliation(s)
- Quentin Berger
- INRAE, Université de Tours, BOA, 37380, Nouzilly, France
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8
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Ferreira VHB, Simoni A, Germain K, Leterrier C, Lansade L, Collin A, Mignon-Grasteau S, Le Bihan-Duval E, Guettier E, Leruste H, Løvlie H, Calandreau L, Guesdon V. Foraging Behavior Shows Individual-Consistency Over Time, and Predicts Range Use in Slow-Growing Free-Range Male Broiler Chickens. Front Vet Sci 2022; 9:814054. [PMID: 35198623 PMCID: PMC8858978 DOI: 10.3389/fvets.2022.814054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 01/11/2022] [Indexed: 11/13/2022] Open
Abstract
Recent research on free-range chickens shows that individual behavioral differences may link to range use. However, most of these studies explored individual behavioral differences only at one time point or during a short time window, assessed differences when animals were out of their social group and home environment (barn and range), and in specific tests or situations. Therefore, it is yet unclear how different behaviors relate to range use and how consistent these behaviors are at the individual level. To fill this gap, we here aimed to describe the behavioral budget of slow-growing male broiler chickens (S757N) when in their social group and home environment during the whole rearing period (from the second week of life to the twelfth week, before slaughter), and to relate observed behavioral differences to range use. For this, we followed a sample of individuals in two flocks (n = 60 focal chickens out of 200 chickens per flock), over two seasons, during three periods: before range access (from 14 to 25 days old), during early range access (first weeks of range access, from 37 to 53 days old), and during late range access (last weeks of range access, from 63 to 87 days old). By the end of each period, individual tests of exploration and social motivation were also performed, measuring exploration/activity and sociability propensities. Our results show that foraging (i.e., pecking and scratching at the ground) was the only behavior that correlated to range use for all three rearing periods, independent of the season. Foraging was also the only behavior that showed within-individual consistency from an early age and across the three rearing periods. Foraging may, therefore, serve as a useful behavioral predictor of range use in free-range broiler chickens. Our study increases the knowledge of how behaviors develop and relate to each other in a domesticated and intensely selected species, and improves our understanding of the biology of free-range broiler chickens. These findings can, ultimately, serve as a foundation to increase range use and improve chicken welfare.
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Affiliation(s)
- Vitor Hugo Bessa Ferreira
- JUNIA, Comportement Animal et Systèmes d'Elevage, Lille, France
- INRAE, CNRS, IFCE, Université de Tours, Centre Val de Loire UMR Physiologie de la Reproduction et des Comportements, Nouzilly, France
- Department of Physics, Chemistry and Biology, IFM Biology, Linköping University, Linköping, Sweden
- Vitor Hugo Bessa Ferreira
| | - Arthur Simoni
- JUNIA, Comportement Animal et Systèmes d'Elevage, Lille, France
| | | | - Christine Leterrier
- INRAE, CNRS, IFCE, Université de Tours, Centre Val de Loire UMR Physiologie de la Reproduction et des Comportements, Nouzilly, France
| | - Léa Lansade
- INRAE, CNRS, IFCE, Université de Tours, Centre Val de Loire UMR Physiologie de la Reproduction et des Comportements, Nouzilly, France
| | - Anne Collin
- INRAE, Université de Tours, BOA, Nouzilly, France
| | | | | | | | - Hélène Leruste
- JUNIA, Comportement Animal et Systèmes d'Elevage, Lille, France
| | - Hanne Løvlie
- Department of Physics, Chemistry and Biology, IFM Biology, Linköping University, Linköping, Sweden
| | - Ludovic Calandreau
- INRAE, CNRS, IFCE, Université de Tours, Centre Val de Loire UMR Physiologie de la Reproduction et des Comportements, Nouzilly, France
| | - Vanessa Guesdon
- JUNIA, Comportement Animal et Systèmes d'Elevage, Lille, France
- *Correspondence: Vanessa Guesdon
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Praud C, Pampouille E, Le Bihan-Duval E, Berri C. Refining the Diagnosis of Growth-Related Muscle Abnormalities in Chickens Based on the Nomenclature Used to Characterise Human Myopathies. Front Physiol 2021; 12:745031. [PMID: 34790133 PMCID: PMC8592233 DOI: 10.3389/fphys.2021.745031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 10/11/2021] [Indexed: 12/14/2022] Open
Affiliation(s)
| | | | | | - Cécile Berri
- INRAE, Université de Tours, BOA, Nouzilly, France
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10
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Métayer-Coustard S, Tesseraud S, Praud C, Royer D, Bordeau T, Coudert E, Cailleau-Audouin E, Godet E, Delaveau J, Le Bihan-Duval E, Berri C. Early Growth and Protein-Energy Metabolism in Chicken Lines Divergently Selected on Ultimate pH. Front Physiol 2021; 12:643580. [PMID: 33746779 PMCID: PMC7969813 DOI: 10.3389/fphys.2021.643580] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 01/26/2021] [Indexed: 11/21/2022] Open
Abstract
In chickens, a divergent selection on the Pectoralis major pHu allowed the creation of the pHu+ and pHu− lines, which represent a unique model for studying the biological control of carbohydrate storage in muscle. The present study aimed to describe the early mechanisms involved in the establishment of pHu+ and pHu− phenotypes. At hatching, pHu+ chicks were slightly heavier but exhibited lower plasma glucose and triglyceride and higher uric acid. After 5 days, pHu+ chicks exhibited higher breast meat yield compared to pHu− while their body weight was no different. At both ages, in vivo muscle glycogen content was lower in pHu+ than in pHu− muscles. The lower ability of pHu+ chicks to store carbohydrate in their muscle was associated with the increased expression of SLC2A1 and SLC2A3 genes coding glucose transporters 1 and 3, and of CS and LDHα coding key enzymes of oxidative and glycolytic pathways, respectively. Reduced muscle glycogen content at hatching of the pHu+ was concomitant with higher activation by phosphorylation of S6 kinase 1/ribosomal protein S6 pathway, known to activate protein synthesis in chicken muscle. In conclusion, differences observed in muscle at slaughter age in the pHu+ and pHu− lines are already present at hatching. They are associated with several changes related to both carbohydrate and protein metabolism, which are likely to affect their ability to use eggs or exogenous nutrients for muscle growth or energy storage.
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Affiliation(s)
| | | | | | - David Royer
- INRAE, Université de Tours, BOA, Nouzilly, France
| | | | | | | | | | | | | | - Cécile Berri
- INRAE, Université de Tours, BOA, Nouzilly, France
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11
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Ferreira VHB, Simoni A, Germain K, Leterrier C, Lansade L, Collin A, Mignon-Grasteau S, Le Bihan-Duval E, Guettier E, Leruste H, Calandreau L, Guesdon V. Working for food is related to range use in free-range broiler chickens. Sci Rep 2021; 11:6253. [PMID: 33737689 PMCID: PMC7973526 DOI: 10.1038/s41598-021-85867-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 03/05/2021] [Indexed: 12/02/2022] Open
Abstract
When animals prefer to make efforts to obtain food instead of acquiring it from freely available sources, they exhibit what is called contrafreeloading. Recently, individual differences in behavior, such as exploration, were shown to be linked to how prone an individual may be to contrafreeload. In this work, our main objective was to test whether and how individual differences in range use of free-range broiler chickens (Gallus gallus domesticus) were related to the individual motivation to contrafreeload. We also verified whether other behavioral variations could relate to range use. To that aim, over three different periods (before range access, first weeks of range access, and last weeks of range access), chickens with different ranging levels (low and high rangers) were submitted to a contrafreeloading test and had different behaviors recorded (such as foraging, resting, locomotion) in their home environment. During the contrafreeloading test, chickens were conditioned to one chamber presenting a foraging substrate and mealworms, while in the other chamber, mealworms were freely available on the floor. During testing trials, chickens had access to both empty chambers, and the time spent in each chamber was quantified. On average, low rangers preferred the chamber where mealworms were easily accessible (without the foraging substrate), while high rangers preferred the chamber where mealworms were accessible with difficulty, showing greater contrafreeloading. Out of ten behaviors recorded in chickens' home environment, foraging was the only one that differed significantly between our two ranging groups, with low rangers foraging, on average, significantly less than high rangers. These results corroborate previous experiences suggesting that range use is probably linked to chickens' exploratory trait and suggest that individual differences in free-range broiler chickens are present even before range access. Increasing our knowledge of individual particularities is a necessary step to improve free-range chicken welfare on the farm.
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Affiliation(s)
- Vitor Hugo Bessa Ferreira
- JUNIA ISA, Comportement Animal et Systèmes d'Elevage, 48 Boulevard Vauban, BP 41290, 59046, Lille Cedex, France. .,INRAE, CNRS, IFCE, Centre Val de Loire UMR Physiologie de la Reproduction et des Comportements, Université de Tours, 37380, Nouzilly, France.
| | - Arthur Simoni
- JUNIA ISA, Comportement Animal et Systèmes d'Elevage, 48 Boulevard Vauban, BP 41290, 59046, Lille Cedex, France
| | - Karine Germain
- INRAE, UE EASM, Le Magneraud, CS 40052, 17700, Surgères, France
| | - Christine Leterrier
- INRAE, CNRS, IFCE, Centre Val de Loire UMR Physiologie de la Reproduction et des Comportements, Université de Tours, 37380, Nouzilly, France
| | - Léa Lansade
- INRAE, CNRS, IFCE, Centre Val de Loire UMR Physiologie de la Reproduction et des Comportements, Université de Tours, 37380, Nouzilly, France
| | - Anne Collin
- INRAE, Université de Tours, BOA, 37380, Nouzilly, France
| | | | | | | | - Hélène Leruste
- JUNIA ISA, Comportement Animal et Systèmes d'Elevage, 48 Boulevard Vauban, BP 41290, 59046, Lille Cedex, France
| | - Ludovic Calandreau
- INRAE, CNRS, IFCE, Centre Val de Loire UMR Physiologie de la Reproduction et des Comportements, Université de Tours, 37380, Nouzilly, France.
| | - Vanessa Guesdon
- JUNIA ISA, Comportement Animal et Systèmes d'Elevage, 48 Boulevard Vauban, BP 41290, 59046, Lille Cedex, France
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Berger Q, Guettier E, Urvoix S, Bernard J, Ganier P, Chahnamian M, Le Bihan-Duval E, Mignon-Grasteau S. The kinetics of growth, feed intake, and feed efficiency reveal a good capacity of adaptation of slow and rapid growing broilers to alternative diets. Poult Sci 2021; 100:101010. [PMID: 33652242 PMCID: PMC7921012 DOI: 10.1016/j.psj.2021.01.032] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 12/18/2020] [Accepted: 01/08/2021] [Indexed: 11/18/2022] Open
Abstract
Poultry production currently relies on the use of soybean as the main protein and energy source. Reducing its proportion in poultry diets and partly replacing it with local feedstuffs would improve sustainability by reducing dependence on importations and the environmental impact of production. In this study, we evaluated the impact of replacing soybean by sunflower meal, fava bean, canola meal, and dried distillers grains with solubles on the performance of rapid and slow growing chickens. Animals were reared in groups and on the floor. Individual BW and feed intake data were collected throughout each animal's life, thanks to an electronic feed station. At 5 wk (for broilers) and 12 wk (for slow growing chickens), the birds were slaughtered to obtain carcass composition and meat quality data. Adaptation to the alternative diet was studied separately for each genotype. Firstly, we performed ANOVA with diet effect on daily data of individual BW, feed intake, and feed conversion ratio. Secondly, the variability of performances within the group was studied by ANOVA with effects of diet, period, and their interaction. Finally, correlations between daily performances and final performances at slaughter were calculated to understand the construction of final phenotypes and to identify early indicators of final performances. The results showed that the animals adapted well to the alternative diet, mean daily and final performances being mostly similar between the 2 diets for both genotypes (<3% on final BW). However, daily observations highlighted the critical importance of periods around dietary transitions by showing impacted performances for both genotypes. For example, feed conversion ratio of Label Rouge-alternative diet was 12 to 14% lower during the 3 d after transitions than during the 3 d before. It underlined the fact that adapting management of the batch to the alternative diet would be necessary. Correlations between daily and final performances showed that the slaughter performances of rapid growing chickens were mostly determined by BW whereas the main criterion was cumulative feed conversion for slow growing chickens. These correlations also suggested that reserves might be modified with the alternative diet, with rapid growing chickens giving rise to more glycogen reserves and less fat reserves.
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Affiliation(s)
- Quentin Berger
- INRAE, Université de Tours, BOA, 37380, Nouzilly, France
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13
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Praud C, Jimenez J, Pampouille E, Couroussé N, Godet E, Le Bihan-Duval E, Berri C. Molecular Phenotyping of White Striping and Wooden Breast Myopathies in Chicken. Front Physiol 2020; 11:633. [PMID: 32670085 PMCID: PMC7328665 DOI: 10.3389/fphys.2020.00633] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 05/18/2020] [Indexed: 01/10/2023] Open
Abstract
The White Striping (WS) and Wooden Breast (WB) defects are two myopathic syndromes whose occurrence has recently increased in modern fast-growing broilers. The impact of these defects on the quality of breast meat is very important, as they greatly affect its visual aspect, nutritional value, and processing yields. The research conducted to date has improved our knowledge of the biological processes involved in their occurrence, but no solution has been identified so far to significantly reduce their incidence without affecting growing performance of broilers. This study aims to follow the evolution of molecular phenotypes in relation to both fast-growing rate and the occurrence of defects in order to identify potential biomarkers for diagnostic purposes, but also to improve our understanding of physiological dysregulation involved in the occurrence of WS and WB. This has been achieved through enzymatic, histological, and transcriptional approaches by considering breast muscles from a slow- and a fast-growing line, affected or not by WS and WB. Fast-growing muscles produced more reactive oxygen species (ROS) than slow-growing ones, independently of WS and WB occurrence. Within fast-growing muscles, despite higher mitochondria density, muscles affected by WS or WB defects did not show higher cytochrome oxidase activity (COX) activity, suggesting altered mitochondrial function. Among the markers related to muscle remodeling and regeneration, immunohistochemical staining of FN1, NCAM, and MYH15 was higher in fast- compared to slow-growing muscles, and their amount also increased linearly with the presence and severity of WS and WB defects, making them potential biomarkers to assess accurately their presence and severity. Thanks to an innovative histological technique based on fluorescence intensity measurement, they can be rapidly quantified to estimate the injuries induced in case of WS and WB. The muscular expression of several other genes correlates also positively to the presence and severity of the defects like TGFB1 and CTGF, both involved in the development of connective tissue, or Twist1, known as an inhibitor of myogenesis. Finally, our results suggested that a balance between TGFB1 and PPARG would be essential for fibrosis or adiposis induction and therefore for determining WS and WB phenotypes.
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Affiliation(s)
| | | | | | | | - Estelle Godet
- INRAE, Université de Tours, UMR BOA, Nouzilly, France
| | | | - Cecile Berri
- INRAE, Université de Tours, UMR BOA, Nouzilly, France
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14
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Piégu B, Arensburger P, Beauclair L, Chabault M, Raynaud E, Coustham V, Brard S, Guizard S, Burlot T, Le Bihan-Duval E, Bigot Y. Variations in genome size between wild and domesticated lineages of fowls belonging to the Gallus gallus species. Genomics 2020; 112:1660-1673. [DOI: 10.1016/j.ygeno.2019.10.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Revised: 08/05/2019] [Accepted: 10/07/2019] [Indexed: 11/26/2022]
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15
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Mignon-Grasteau S, Beauclercq S, Urvoix S, Le Bihan-Duval E. Interest in the serum color as an indirect criterion of selection of digestive efficiency in chickens. Poult Sci 2019; 99:702-707. [PMID: 32036974 PMCID: PMC7587746 DOI: 10.1016/j.psj.2019.10.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 08/07/2019] [Accepted: 10/01/2019] [Indexed: 11/29/2022] Open
Abstract
Improving the digestive efficiency of birds is becoming increasingly important with the diversification of feedstuffs used in poultry diets. Compared with time-consuming chemical analyses that were previously used to measure digestive efficiency, near-infrared spectroscopy has been a great advance as it was fast and thus allowed measurements to be taken from a large number of animals, as required for genetic studies. However, it still implies to rear the birds in cages to collect feces, which is questionable in terms of welfare. The purpose of this study was thus to establish whether the serum color could be used as a biomarker of digestive efficiency that would be easy and fast to measure on floor-reared animals. We first compared the serum color of 2 lines of chickens divergently selected for high or low digestive efficiency when fed with a wheat-based diet. Digestive efficiency was assessed by nitrogen-corrected apparent metabolizable energy. Color was assessed by the absorbance of the serum between 300 and 572 nm. Color differed between the 2 lines between 430 and 572 nm, which corresponds to the absorption zone of carotenoids such as lutein and zeaxanthin. In a second step, we estimated the heritability of serum color measurements and their genetic correlations with digestive efficiency. Taking these parameters into account, in our experimental conditions the best trait among those tested that can be used as a biomarker of digestive efficiency is serum absorbance at 492 nm, with a heritability estimate of 0.31 ± 0.09 and a genetic correlation with digestive efficiency of 0.84 ± 0.28.
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16
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Pampouille E, Hennequet-Antier C, Praud C, Juanchich A, Brionne A, Godet E, Bordeau T, Fagnoul F, Le Bihan-Duval E, Berri C. Differential expression and co-expression gene network analyses reveal molecular mechanisms and candidate biomarkers involved in breast muscle myopathies in chicken. Sci Rep 2019; 9:14905. [PMID: 31624339 PMCID: PMC6797748 DOI: 10.1038/s41598-019-51521-1] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 09/27/2019] [Indexed: 11/09/2022] Open
Abstract
The broiler industry is facing an increasing prevalence of breast myopathies, such as white striping (WS) and wooden breast (WB), and the precise aetiology of these occurrences remains poorly understood. To progress our understanding of the structural changes and molecular pathways involved in these myopathies, a transcriptomic analysis was performed using an 8 × 60 K Agilent chicken microarray and histological study. The study used pectoralis major muscles from three groups: slow-growing animals (n = 8), fast-growing animals visually free from defects (n = 8), or severely affected by both WS and WB (n = 8). In addition, a weighted correlation network analysis was performed to investigate the relationship between modules of co-expressed genes and histological traits. Functional analysis suggested that selection for fast growing and breast meat yield has progressively led to conditions favouring metabolic shifts towards alternative catabolic pathways to produce energy, leading to an adaptive response to oxidative stress and the first signs of inflammatory, regeneration and fibrosis processes. All these processes are intensified in muscles affected by severe myopathies, in which new mechanisms related to cellular defences and remodelling seem also activated. Furthermore, our study opens new perspectives for myopathy diagnosis by highlighting fine histological phenotypes and genes whose expression was strongly correlated with defects.
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Affiliation(s)
- Eva Pampouille
- BOA, INRA, Université de Tours, 37380, Nouzilly, France.,Hubbard SAS, Mauguérand, 22800, Le Foeil - Quintin, France
| | | | | | | | | | - Estelle Godet
- BOA, INRA, Université de Tours, 37380, Nouzilly, France
| | | | | | | | - Cécile Berri
- BOA, INRA, Université de Tours, 37380, Nouzilly, France.
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17
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Berri C, Picard B, Lebret B, Andueza D, Lefèvre F, Le Bihan-Duval E, Beauclercq S, Chartrin P, Vautier A, Legrand I, Hocquette JF. Predicting the Quality of Meat: Myth or Reality? Foods 2019; 8:E436. [PMID: 31554284 PMCID: PMC6836130 DOI: 10.3390/foods8100436] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 09/16/2019] [Accepted: 09/20/2019] [Indexed: 01/19/2023] Open
Abstract
This review is aimed at providing an overview of recent advances made in the field of meat quality prediction, particularly in Europe. The different methods used in research labs or by the production sectors for the development of equations and tools based on different types of biological (genomic or phenotypic) or physical (spectroscopy) markers are discussed. Through the various examples, it appears that although biological markers have been identified, quality parameters go through a complex determinism process. This makes the development of generic molecular tests even more difficult. However, in recent years, progress in the development of predictive tools has benefited from technological breakthroughs in genomics, proteomics, and metabolomics. Concerning spectroscopy, the most significant progress was achieved using near-infrared spectroscopy (NIRS) to predict the composition and nutritional value of meats. However, predicting the functional properties of meats using this method-mainly, the sensorial quality-is more difficult. Finally, the example of the MSA (Meat Standards Australia) phenotypic model, which predicts the eating quality of beef based on a combination of upstream and downstream data, is described. Its benefit for the beef industry has been extensively demonstrated in Australia, and its generic performance has already been proven in several countries.
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Affiliation(s)
- Cécile Berri
- UMR Biologie des Oiseaux et Aviculture, INRA, Université de Tours, 37380 Nouzilly, France.
| | - Brigitte Picard
- UMR Herbivores, INRA, VetAgro Sup, Theix, 63122 Saint-Genès Champanelle, France.
| | - Bénédicte Lebret
- UMR Physiologie, Environnement et Génétique pour l'Animal et les Systèmes d'Élevage, INRA, AgroCampus Ouest, 35590 Saint-Gilles, France.
| | - Donato Andueza
- UMR Herbivores, INRA, VetAgro Sup, Theix, 63122 Saint-Genès Champanelle, France.
| | - Florence Lefèvre
- Laboratoire de Physiologie et Génomique des poissons, INRA, 35000 Rennes, France.
| | | | - Stéphane Beauclercq
- UMR Biologie des Oiseaux et Aviculture, INRA, Université de Tours, 37380 Nouzilly, France.
| | - Pascal Chartrin
- UMR Biologie des Oiseaux et Aviculture, INRA, Université de Tours, 37380 Nouzilly, France.
| | - Antoine Vautier
- Institut du porc, La motte au Vicomte, 35651 Le Rheu, CEDEX, France.
| | - Isabelle Legrand
- Institut de l'Elevage, Maison Régionale de l'Agriculture-Nouvelle Aquitaine, 87000 Limoges, France.
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18
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Ellestad LE, Cogburn LA, Simon J, Le Bihan-Duval E, Aggrey SE, Byerly MS, Duclos MJ, Porter TE. Transcriptional profiling and pathway analysis reveal differences in pituitary gland function, morphology, and vascularization in chickens genetically selected for high or low body weight. BMC Genomics 2019; 20:316. [PMID: 31023219 PMCID: PMC6482517 DOI: 10.1186/s12864-019-5670-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 04/08/2019] [Indexed: 12/15/2022] Open
Abstract
Background Though intensive genetic selection has led to extraordinary advances in growth rate and feed efficiency in production of meat-type chickens, endocrine processes controlling these traits are still poorly understood. The anterior pituitary gland is a central component of the neuroendocrine system and plays a key role in regulating important physiological processes that directly impact broiler production efficiency, though how differences in pituitary gland function contribute to various growth and body composition phenotypes is not fully understood. Results Global anterior pituitary gene expression was evaluated on post-hatch weeks 1, 3, 5, and 7 in male broiler chickens selected for high (HG) or low (LG) growth. Differentially expressed genes (DEGs) were analyzed with gene ontology categorization, self-organizing maps, gene interaction network determination, and upstream regulator identification to uncover novel pituitary genes and pathways contributing to differences in growth and body composition. A total of 263 genes were differentially expressed between HG and LG anterior pituitary glands (P ≤ 0.05 for genetic line-by-age interaction or main effect of line; ≥1.6-fold difference between lines), including genes encoding four anterior pituitary hormones. Genes involved in signal transduction, transcriptional regulation, and vesicle-mediated transport were differentially expressed and are predicted to influence expression and secretion of pituitary hormones. DEGs involved in immune regulation provide evidence that inflammation and response to cellular stressors may compromise pituitary function in LG birds, affecting their ability to adequately produce pituitary hormones. Many DEGs were also predicted to function in processes that regulate organ morphology and angiogenesis, suggesting pituitary gland structure differs between the divergently selected lines. Conclusions The large number of DEGs within the anterior pituitary gland of birds selected for high or low body weight highlights the importance of this gland in regulating economically important traits such as growth and body composition in broiler chickens. Intracellular signaling, transcriptional regulation, and membrane trafficking are important cellular processes contributing to proper hormone production and secretion. The data also suggest that pituitary function is intimately tied to structure, and organization of the gland could influence hypothalamic and systemic metabolic inputs and delivery of hormones regulating growth and metabolism into peripheral circulation. Electronic supplementary material The online version of this article (10.1186/s12864-019-5670-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Laura E Ellestad
- Department of Poultry Science, University of Georgia, Athens, GA, 30602, USA.,Department of Animal and Avian Sciences, University of Maryland, College Park, MD, 20742, USA
| | - Larry A Cogburn
- Department of Animal and Food Sciences, University of Delaware, Newark, DE, 19716, USA
| | - Jean Simon
- Biologie des Oiseaux et Aviculture, Institut National de la Recherche Agronomique (INRA), Université de Tours, UR83 Recherches Avicoles, 37380, Nouzilly, France
| | - Elisabeth Le Bihan-Duval
- Biologie des Oiseaux et Aviculture, Institut National de la Recherche Agronomique (INRA), Université de Tours, UR83 Recherches Avicoles, 37380, Nouzilly, France
| | - Samuel E Aggrey
- Department of Poultry Science, University of Georgia, Athens, GA, 30602, USA
| | - Mardi S Byerly
- Department of Animal and Avian Sciences, University of Maryland, College Park, MD, 20742, USA
| | - Michel J Duclos
- Biologie des Oiseaux et Aviculture, Institut National de la Recherche Agronomique (INRA), Université de Tours, UR83 Recherches Avicoles, 37380, Nouzilly, France
| | - Tom E Porter
- Department of Animal and Avian Sciences, University of Maryland, College Park, MD, 20742, USA.
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19
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Beauclercq S, Lefèvre A, Nadal-Desbarats L, Germain K, Praud C, Emond P, Bihan-Duval EL, Mignon-Grasteau S. Does lipidomic serum analysis support the assessment of digestive efficiency in chickens? Poult Sci 2019; 98:1425-1431. [PMID: 30325459 PMCID: PMC6377433 DOI: 10.3382/ps/pey483] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Accepted: 09/19/2018] [Indexed: 01/19/2023] Open
Abstract
The increasing cost of conventional feedstuffs used in poultry diets has bolstered interest in genetic selection for digestive efficiency (DE) to improve the adaptation of the birds to various alternative feedstuffs. However, DE measurement through AMEn is time-consuming and constraining. To simplify selection for DE, the potential of serum composition to predict AMEn was evaluated based on 40 birds from two broiler lines (D+ and D−) divergently selected on the fecal AMEn of a difficult-to-digest wheat-based diet. Differences in serum coloration were suspected between the two lines, and thus a spectrophotometric analysis was carried out, revealing a significant difference in absorption between 430 nm and 516 nm, corresponding to the signature of orange–red lipophilic pigments such as xanthophylls. To go further, the liposoluble fraction of the serum was explored for its lipidome by mass spectrometry. Discriminant analysis revealed that a pattern of 10 metabolites, including zeaxanthin/lutein, can explain 82% of the lipidomic differences between the two lines. Colorimetry combined with lipidomics studies confirmed the relationship between digestive efficiency and serum composition, which opens up new possibilities for using it as a quick and easy proxy of digestive efficiency.
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Affiliation(s)
| | - Antoine Lefèvre
- Université de Tours, PST Analyse des systèmes biologiques, 37044 Tours Cedex 9, Tours, France
| | - Lydie Nadal-Desbarats
- Université de Tours, PST Analyse des systèmes biologiques, 37044 Tours Cedex 9, Tours, France.,UMR 1253, iBrain, Université de Tours, Inserm, 37032 Tours cedex 1, Tours, France
| | - Karine Germain
- INRA, UE 1206 Elevage Alternatif et Santé des Monogastriques, Le Magneraud, Saint-Pierre-d'Amilly, BP 52, 17700 Surgères, France
| | | | - Patrick Emond
- Université de Tours, PST Analyse des systèmes biologiques, 37044 Tours Cedex 9, Tours, France.,UMR 1253, iBrain, Université de Tours, Inserm, 37032 Tours cedex 1, Tours, France.,CHRU de Tours, Service de Médecine Nucléaire In Vitro, 37032 Tours cedex, Tours, France
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20
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Juanchich A, Hennequet-Antier C, Cabau C, Le Bihan-Duval E, Duclos MJ, Mignon-Grasteau S, Narcy A. Functional genomics of the digestive tract in broilers. BMC Genomics 2018; 19:928. [PMID: 30545300 PMCID: PMC6293548 DOI: 10.1186/s12864-018-5344-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Accepted: 11/30/2018] [Indexed: 01/09/2023] Open
Abstract
Background The sustainability of poultry farming relies on the development of more efficient and autonomous production systems in terms of feed supply. This implies a better integration of adaptive traits in breeding programs, including digestive efficiency, in order to favor the use of a wider variety of feedstuffs. The aim of the project was to improve the understanding of genes involved in digestive functions by characterizing the transcriptome of different sections of the digestive tract: the junction between the proventriculus and the gizzard, the gizzard, the gastroduodenal junction, and the jejunum. Results Total RNA from the four tissues were sequenced on a HiSeq2500 for six 23-day-old chickens from a second generation (F2) cross between two lines that were divergent for their digestive efficiency (D+/D-). Bioinformatics and biostatistics analyses of the RNA-seq data showed a total of 11,040 differentially expressed transcripts between the four tissues. In total, seven clusters of genes with markedly different expression profiles were identified. Functional analysis on gene groups was performed using “Gene Ontology” and semantic similarity. It showed a significant enrichment of body immune defenses in the jejunum, and an enrichment of transcriptional activity in the gizzard. Moreover, an interesting enrichment for neurohormonal control of muscle contraction was found for the two gizzard’s junctions. Conclusion This analysis allows us to draw the first molecular portrait of the different sections of the digestive tract, which will serve as a basis for future studies on the genetic and physiological control of the response of the animal to feed variations. Electronic supplementary material The online version of this article (10.1186/s12864-018-5344-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
| | | | - Cédric Cabau
- SIGENAE, GenPhySE, Université de Toulouse, INRA, INPT, ENV, Castanet Tolosan, France
| | | | | | | | - Agnès Narcy
- BOA, INRA, Université de Tours, 37380, Nouzilly, France
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21
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Beauclercq S, Nadal-Desbarats L, Hennequet-Antier C, Gabriel I, Tesseraud S, Calenge F, Le Bihan-Duval E, Mignon-Grasteau S. Relationships between digestive efficiency and metabolomic profiles of serum and intestinal contents in chickens. Sci Rep 2018; 8:6678. [PMID: 29703927 PMCID: PMC5923279 DOI: 10.1038/s41598-018-24978-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Accepted: 04/12/2018] [Indexed: 01/26/2023] Open
Abstract
The increasing cost of conventional feedstuffs has bolstered interest in genetic selection for digestive efficiency (DE), a component of feed efficiency, assessed by apparent metabolisable energy corrected to zero nitrogen retention (AMEn). However, its measurement is time-consuming and constraining, and its relationship with metabolic efficiency poorly understood. To simplify selection for this trait, we searched for indirect metabolic biomarkers through an analysis of the serum metabolome using nuclear magnetic resonance (1H NMR). A partial least squares (PLS) model including six amino acids and two derivatives from butyrate predicted 59% of AMEn variability. Moreover, to increase our knowledge of the molecular mechanisms controlling DE, we investigated 1H NMR metabolomes of ileal, caecal, and serum contents by fitting canonical sparse PLS. This analysis revealed strong associations between metabolites and DE. Models based on the ileal, caecal, and serum metabolome respectively explained 77%, 78%, and 74% of the variability of AMEn and its constitutive components (utilisation of starch, lipids, and nitrogen). In our conditions, the metabolites presenting the strongest associations with AMEn were proline in the serum, fumarate in the ileum and glucose in caeca. This study shows that serum metabolomics offers new opportunities to predict chicken DE.
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Affiliation(s)
| | - Lydie Nadal-Desbarats
- Département d'analyse chimique biologique et médicale, PPF Analyse des systèmes biologiques, Université de Tours, 37032, Tours, France
| | | | - Irène Gabriel
- BOA, INRA, Université de Tours, 37380, Nouzilly, France
| | | | - Fanny Calenge
- GABI, INRA, AgroParisTech, Université Paris-Saclay, 78352, Jouy-en-Josas, France
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22
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Bihan-Duval EL, Hennequet-Antier C, Berri C, Beauclercq SA, Bourin MC, Boulay M, Demeure O, Boitard S. Identification of genomic regions and candidate genes for chicken meat ultimate pH by combined detection of selection signatures and QTL. BMC Genomics 2018; 19:294. [PMID: 29695245 PMCID: PMC5918591 DOI: 10.1186/s12864-018-4690-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Accepted: 04/17/2018] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND The understanding of the biological determinism of meat ultimate pH, which is strongly related to muscle glycogen content, is a key point for the control of muscle integrity and meat quality in poultry. In the present study, we took advantage of a unique model of two broiler lines divergently selected for the ultimate pH of the pectoralis major muscle (PM-pHu) in order to decipher the genetic control of this trait. Two complementary approaches were used: detection of selection signatures generated during the first five generations and genome-wide association study for PM-pHu and Sartorius muscle pHu (SART-pHu) at the sixth generation of selection. RESULTS Sixty-three genomic regions showed significant signatures of positive selection. Out of the 10 most significant regions (detected by HapFLK or FLK method with a p-value below 1e-6), 4 were detected as soon as the first generation (G1) and were recovered at each of the four following ones (G2-G5). Another four corresponded to a later onset of selection as they were detected only at G5. In total, 33 SNPs, located in 24 QTL regions, were significantly associated with PM-pHu. For SART-pHu, we detected 18 SNPs located in 10 different regions. These results confirmed a polygenic determinism for these traits and highlighted two major QTL: one for PM-pHu on GGA1 (with a Bayes Factor (BF) of 300) and one for SART-pHu on GGA4 (with a BF of 257). Although selection signatures were enriched in QTL for PM-pHu, several QTL with strong effect haven't yet responded to selection, suggesting that the divergence between lines might be further increased. CONCLUSIONS A few regions of major interest with significant selection signatures and/or strong association with PM-pHu or SART-pHu were evidenced for the first time in chicken. Their gene content suggests several candidates associated with diseases of glycogen storage in humans. The impact of these candidate genes on meat quality and muscle integrity should be further investigated in chicken.
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Affiliation(s)
| | | | - Cécile Berri
- BOA, INRA, Université de Tours, 37380, Nouzilly, France
| | | | - Marie Christine Bourin
- Institut Technique de l'Aviculture (ITAVI), Centre INRA Val de Loire, F-37380, Nouzilly, France
| | - Maryse Boulay
- Syndicat des Sélectionneurs Avicoles et Aquacoles Français (SYSAAF), Centre INRA Val de Loire, Unité de Recherches Avicoles, F-37380, Nouzilly, France
| | - Olivier Demeure
- PEGASE, Agrocampus Ouest, INRA, 35590,, Saint-Gilles, France.,Groupe Grimaud, La Corbière, 49450, Roussay, France
| | - Simon Boitard
- GenPhySE, Université de Toulouse, INRA, ENVT, 31320, Castanet Tolosan, France
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Beauclercq S, Hennequet-Antier C, Praud C, Godet E, Collin A, Tesseraud S, Métayer-Coustard S, Bourin M, Moroldo M, Martins F, Lagarrigue S, Bihan-Duval EL, Berri C. Muscle transcriptome analysis reveals molecular pathways and biomarkers involved in extreme ultimate pH and meat defect occurrence in chicken. Sci Rep 2017; 7:6447. [PMID: 28743971 PMCID: PMC5526995 DOI: 10.1038/s41598-017-06511-6] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Accepted: 06/13/2017] [Indexed: 02/06/2023] Open
Abstract
The processing ability and sensory quality of chicken breast meat are highly related to its ultimate pH (pHu), which is mainly determined by the amount of glycogen in the muscle at death. To unravel the molecular mechanisms underlying glycogen and meat pHu variations and to identify predictive biomarkers of these traits, a transcriptome profiling analysis was performed using an Agilent custom chicken 8 × 60 K microarray. The breast muscle gene expression patterns were studied in two chicken lines experimentally selected for high (pHu+) and low (pHu-) pHu values of the breast meat. Across the 1,436 differentially expressed (DE) genes found between the two lines, many were involved in biological processes related to muscle development and remodelling and carbohydrate and energy metabolism. The functional analysis showed an intensive use of carbohydrate metabolism to produce energy in the pHu- line, while alternative catabolic pathways were solicited in the muscle of the pHu+ broilers, compromising their muscle development and integrity. After a validation step on a population of 278 broilers using microfluidic RT-qPCR, 20 genes were identified by partial least squares regression as good predictors of the pHu, opening new perspectives of screening broilers likely to present meat quality defects.
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Affiliation(s)
| | | | | | | | | | | | | | - Marie Bourin
- ITAVI-Institut Technique de l'Aviculture, F-37380, Nouzilly, France
| | - Marco Moroldo
- GABI, AgroParisTech, INRA, Université Paris-Saclay, F-78350, Jouy-en-Josas, France
| | - Frédéric Martins
- Plateforme Génome et Transcriptome, Génopole de Toulouse, France.,INSERM, UMR1048, F-31432, Toulouse, France
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24
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Alnahhas N, Berri C, Chabault M, Chartrin P, Boulay M, Bourin MC, Le Bihan-Duval E. Genetic parameters of white striping in relation to body weight, carcass composition, and meat quality traits in two broiler lines divergently selected for the ultimate pH of the pectoralis major muscle. BMC Genet 2016; 17:61. [PMID: 27094623 PMCID: PMC4837622 DOI: 10.1186/s12863-016-0369-2] [Citation(s) in RCA: 85] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Accepted: 04/15/2016] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND White striping (WS) is an emerging quality defect with adverse consequences for the sensorial, technological, and nutritional qualities of breast meat in broiler chickens. The genetic determinism of this defect is little understood and thus the aim of the study presented here was to estimate the genetic parameters of WS in relation to other traits of economic importance such as body weight, carcass composition, and technological meat quality in an experimental population consisting of two divergent lines selected for high (pHu + line) or low (pHu- line) ultimate pH (pHu) of the pectoralis major (p. major) muscle. RESULTS The incidence of WS in the whole population was 50.7%, with 36.7% of broilers being moderately and 14% being severely affected. A higher incidence of moderate (p < 0.001) and severe (p < 0.0001) WS was observed in the pHu + line, and strong genetic determinism (h(2) = 0.65 ± 0.08) was evidenced for WS in the studied lines. In addition, WS was significantly genetically correlated with body weight (rg = 0.33 ± 0.15), and breast meat yield (0.68 ± 0.06), but not with the percentage of leg or abdominal fat. Increased body weight and breast muscle yield were significantly associated with increased incidence and severity of WS regardless of the line. Significant rg were observed between WS and several meat quality traits, including breast (0.21 ± 0.08) and thigh (0.31 ± 0.10) pHu, and breast cooking loss (0.30 ± 0.15). WS was also strongly genetically correlated with the intramuscular fat content of the pectoralis major muscle (0.64 ± 0.09), but not with the lipid oxidation index of this muscle. CONCLUSIONS This study highlighted the role of genetics as a major determinant of WS. The estimated genetic correlations showed that WS was more highly related to muscle development than to the overall growth of the body. The positive genetic association reported in this study between WS and muscle pHu indicated a possible relationship between the ability of muscle to store energy as a carbohydrate and its likelihood of developing WS. Finally, the strong genetic determinism of WS suggested that selection can be an efficient means of reducing the incidence of WS and of limiting its undesirable consequences on meat quality in broiler chickens.
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Affiliation(s)
| | | | | | | | - Maryse Boulay
- Syndicat des Sélectionneurs Avicoles et Aquacoles Français (SYSAAF), Centre INRA Val de Loire, Unité de Recherches Avicoles, F-37380, Nouzilly, France
| | - Marie Christine Bourin
- Institut Technique de l'Aviculture (ITAVI), Centre INRA Val de Loire, F-37380, Nouzilly, France
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25
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Beauclercq S, Nadal-Desbarats L, Hennequet-Antier C, Collin A, Tesseraud S, Bourin M, Le Bihan-Duval E, Berri C. Serum and Muscle Metabolomics for the Prediction of Ultimate pH, a Key Factor for Chicken-Meat Quality. J Proteome Res 2016; 15:1168-78. [PMID: 26954775 DOI: 10.1021/acs.jproteome.5b01050] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Variations in muscle glycogen storage are highly correlated with variations in meat ultimate pH (pHu), a key factor for poultry meat quality. A total of two chicken lines were divergently selected on breast pHu to understand the biological basis for variations in meat quality (i.e., the pHu- and the pHu+ lines that are characterized by a 17% difference in muscle glycogen content). The effects of this selection on bird metabolism were investigated by quantifying muscle metabolites by high-resolution NMR ((1)H and (31)P) and serum metabolites by (1)H NMR. A total of 20 and 26 discriminating metabolites between the two lines were identified by orthogonal partial least-squares discriminant analysis (OPLS-DA) in the serum and muscle, respectively. There was over-representation of carbohydrate metabolites in the serum and muscle of the pHu- line, consistent with its high level of muscle glycogen. However, the pHu+ line was characterized by markers of oxidative stress and muscle catabolism, probably because of its low level of energy substrates. After OPLS-DA multiblock analysis, a metabolic set of 15 high-confidence biomarkers was identified that could be used to predict the quality of poultry meat after validation on an independent population.
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Affiliation(s)
| | - Lydie Nadal-Desbarats
- Département d'Analyses Chimique Biologique et Médicale, PPF Analyse des Systèmes Biologiques, Université François-Rabelais , F-37000 Tours, France
| | | | | | | | - Marie Bourin
- ITAVI - Institut Technique de l'Aviculture , F-37380 Nouzilly, France
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26
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Mignon-Grasteau S, Chantry-Darmon C, Boscher MY, Sellier N, Chabault-Dhuit M, Le Bihan-Duval E, Narcy A. Genetic determinism of bone and mineral metabolism in meat-type chickens: A QTL mapping study. Bone Rep 2016; 5:43-50. [PMID: 28326346 PMCID: PMC4926819 DOI: 10.1016/j.bonr.2016.02.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Revised: 02/09/2016] [Accepted: 02/24/2016] [Indexed: 01/01/2023] Open
Abstract
Skeletal integrity in meat-type chickens is affected by many factors including rapid growth rate, nutrition and genetics. To investigate the genetic basis of bone and mineral metabolism, a QTL detection study was conducted in an intercross between two lines of meat-type chickens divergently selected for their high (D +) or low (D -) digestive efficiency. Tibia size (length, diameter, volume) and ash content were determined at 3 weeks of age as well as phosphorus (P) retention and plasma concentration. Heritability of these traits and their genetic correlations with digestive efficiency were estimated. A QTL mapping study was performed using 3379 SNP markers. Tibia size, weight, ash content and breaking strength were highly heritable (0.42 to 0.61). Relative tibia diameter and volume as well as P retention were strongly and positively genetically correlated with digestive efficiency (0.57 to 0.80). A total of 35 QTL were identified (9 for tibia weight, 13 for tibia size, 5 for bone strength, 5 for bone mineralization, 2 for plasma P concentration and 1 for P retention). Six QTL were genome-wide significant, and 3 QTL for tibia relative volume, weight and ash weight on chromosome 6 were fixed, the positive allele coming from the D-line. For two QTL for ash content on chromosome 18 and relative tibia length on chromosome 26, the confidence intervals were small enough to identify potential candidate genes. These findings support the evidence of multiple genetic loci controlling bone and mineral metabolism. The identification of candidate genes may provide new perspectives in the understanding of bone regulation, even beyond avian species.
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Affiliation(s)
| | | | | | | | | | | | - Agnès Narcy
- INRA, UR83 Recherches Avicoles, F-37380 Nouzilly, France
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27
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Resnyk CW, Chen C, Huang H, Wu CH, Simon J, Le Bihan-Duval E, Duclos MJ, Cogburn LA. RNA-Seq Analysis of Abdominal Fat in Genetically Fat and Lean Chickens Highlights a Divergence in Expression of Genes Controlling Adiposity, Hemostasis, and Lipid Metabolism. PLoS One 2015; 10:e0139549. [PMID: 26445145 PMCID: PMC4596860 DOI: 10.1371/journal.pone.0139549] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Accepted: 09/14/2015] [Indexed: 01/20/2023] Open
Abstract
Genetic selection for enhanced growth rate in meat-type chickens (Gallus domesticus) is usually accompanied by excessive adiposity, which has negative impacts on both feed efficiency and carcass quality. Enhanced visceral fatness and several unique features of avian metabolism (i.e., fasting hyperglycemia and insulin insensitivity) mimic overt symptoms of obesity and related metabolic disorders in humans. Elucidation of the genetic and endocrine factors that contribute to excessive visceral fatness in chickens could also advance our understanding of human metabolic diseases. Here, RNA sequencing was used to examine differential gene expression in abdominal fat of genetically fat and lean chickens, which exhibit a 2.8-fold divergence in visceral fatness at 7 wk. Ingenuity Pathway Analysis revealed that many of 1687 differentially expressed genes are associated with hemostasis, endocrine function and metabolic syndrome in mammals. Among the highest expressed genes in abdominal fat, across both genotypes, were 25 differentially expressed genes associated with de novo synthesis and metabolism of lipids. Over-expression of numerous adipogenic and lipogenic genes in the FL chickens suggests that in situ lipogenesis in chickens could make a more substantial contribution to expansion of visceral fat mass than previously recognized. Distinguishing features of the abdominal fat transcriptome in lean chickens were high abundance of multiple hemostatic and vasoactive factors, transporters, and ectopic expression of several hormones/receptors, which could control local vasomotor tone and proteolytic processing of adipokines, hemostatic factors and novel endocrine factors. Over-expression of several thrombogenic genes in abdominal fat of lean chickens is quite opposite to the pro-thrombotic state found in obese humans. Clearly, divergent genetic selection for an extreme (2.5-2.8-fold) difference in visceral fatness provokes a number of novel regulatory responses that govern growth and metabolism of visceral fat in this unique avian model of juvenile-onset obesity and glucose-insulin imbalance.
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Affiliation(s)
- Christopher W. Resnyk
- Department of Animal and Food Sciences, University of Delaware, Newark, Delaware, United States of America
| | - Chuming Chen
- Center for Bioinformatics and Computational Biology, University of Delaware, Newark, Delaware, United States of America
| | - Hongzhan Huang
- Center for Bioinformatics and Computational Biology, University of Delaware, Newark, Delaware, United States of America
| | - Cathy H. Wu
- Center for Bioinformatics and Computational Biology, University of Delaware, Newark, Delaware, United States of America
| | - Jean Simon
- INRA UR83 Recherches Avicoles, 37380, Nouzilly, France
| | | | | | - Larry A. Cogburn
- Department of Animal and Food Sciences, University of Delaware, Newark, Delaware, United States of America
- * E-mail:
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28
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Mignon-Grasteau S, Rideau N, Gabriel I, Chantry-Darmon C, Boscher MY, Sellier N, Chabault M, Le Bihan-Duval E, Narcy A. Detection of QTL controlling feed efficiency and excretion in chickens fed a wheat-based diet. Genet Sel Evol 2015; 47:74. [PMID: 26407557 PMCID: PMC4582934 DOI: 10.1186/s12711-015-0156-y] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2015] [Accepted: 09/15/2015] [Indexed: 12/21/2022] Open
Abstract
Background Improving feed efficiency is a major goal in poultry production in order to reduce production costs, increase the possibility of using alternative feedstuffs and decrease the volume of manure. However, in spite of their economic and environmental impact, very few quantitative trait loci (QTL) have been reported on these traits. Thus, we undertook the detection of QTL on 820 meat-type chickens from a F2 cross between D− and D+ lines that were divergently selected on low or high digestive efficiency at 3 weeks of age. Birds were measured for growth between 0 and 23 days, feed intake and feed conversion ratio between 9 and 23 days, breast and abdominal fat yields at 23 days, and the anatomy of their digestive tract (density, relative weight and length of the duodenum, jejunum, ileum, and ratio of proventriculus to gizzard weight) was examined. To evaluate excretion traits, fresh and dry weight, water content, pH, nitrogen to phosphorus ratio from 0 to 23 days, and pH of gizzard and jejunum contents at 23 days were measured. A set of 3379 single nucleotide polymorphisms distributed on 28 Gallus gallus (GGA) autosomes, the Z chromosome and one unassigned linkage group was used for QTL detection. Results Using the QTLMap software developed for linkage analyses by interval mapping, we detected 16 QTL for feed intake, 13 for feed efficiency, 49 for anatomy-related traits, seven for growth, six for body composition and ten for excretion. Nine of these QTL were genome-wide significant (four for feed intake on GGA1, one for feed efficiency on GGA2, and four for anatomy on GGA1, 2, 3 and 4). GGA16, 19, and 26 carried many QTL for different types of traits that co-localize at the same position. Conclusions This study identified several QTL regions that are involved in the control of digestive efficiency in chicken. Further studies are needed to identify the genes that underlie these effects, and to validate these in other commercial populations and for different breeding environments. Electronic supplementary material The online version of this article (doi:10.1186/s12711-015-0156-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
| | - Nicole Rideau
- INRA, UR83 Recherches Avicoles, 37380, Nouzilly, France.
| | - Irène Gabriel
- INRA, UR83 Recherches Avicoles, 37380, Nouzilly, France.
| | | | | | | | - Marie Chabault
- INRA, UR83 Recherches Avicoles, 37380, Nouzilly, France.
| | | | - Agnès Narcy
- INRA, UR83 Recherches Avicoles, 37380, Nouzilly, France.
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29
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Mignon-Grasteau S, Narcy A, Rideau N, Chantry-Darmon C, Boscher MY, Sellier N, Chabault M, Konsak-Ilievski B, Le Bihan-Duval E, Gabriel I. Impact of Selection for Digestive Efficiency on Microbiota Composition in the Chicken. PLoS One 2015; 10:e0135488. [PMID: 26267269 PMCID: PMC4534097 DOI: 10.1371/journal.pone.0135488] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2015] [Accepted: 07/22/2015] [Indexed: 01/23/2023] Open
Abstract
Objectives Feed efficiency and its digestive component, digestive efficiency, are key factors in the environmental impact and economic output of poultry production. The interaction between the host and intestinal microbiota has a crucial role in the determination of the ability of the bird to digest its food and to the birds’ feed efficiency. We therefore investigated the phenotypic and genetic relationships between birds’ efficiency and the composition of the cecal microbiota in a F2 cross between broiler lines divergently selected for their high or low digestive efficiency. Methods Analyses were performed on 144 birds with extreme feed efficiency values at 3 weeks, with feed conversion values of 1.41±0.05 and 2.02±0.04 in the efficient and non-efficient groups, respectively. The total numbers of Lactobacillus, L. salivarius, L. crispatus, C. coccoides, C. leptum and E. coli per gram of cecal content were measured. Results The two groups mainly differed in larger counts of Lactobacillus, L. salivarius and E. coli in less efficient birds. The equilibrium between bacterial groups was also affected, efficient birds showing higher C. leptum, C. coccoides and L. salivarius to E. coli ratios. The heritability of the composition of microbiota was also estimated and L. crispatus, C. leptum, and C. coccoides to E. coli ratios were moderately but significantly heritable (0.16 to 0.24). The coefficient of fecal digestive use of dry matter was genetically and positively correlated with L. crispatus, C. leptum, C. coccoides (0.50 to 0.76) and negatively with E. coli (-0.66). Lipid digestibility was negatively correlated with E. coli (-0.64), and AMEn positively correlated with C. coccoides and with the C. coccoides to Lactobacillus ratio (0.48 to 0.64). We also detected 14 Quantitative Trait Loci (QTL) for microbiota on the host genome, mostly on C. leptum and Lactobacillus. The QTL for C. leptum on GGA6 was close to genome-wide significance. This region mainly includes genes involved in anti-inflammatory responses and in the motility of the gastrointestinal tract.
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Affiliation(s)
| | - Agnès Narcy
- UR83 Recherches Avicoles, INRA, Nouzilly, France
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30
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Recoquillay J, Pitel F, Arnould C, Leroux S, Dehais P, Moréno C, Calandreau L, Bertin A, Gourichon D, Bouchez O, Vignal A, Fariello MI, Minvielle F, Beaumont C, Leterrier C, Le Bihan-Duval E. A medium density genetic map and QTL for behavioral and production traits in Japanese quail. BMC Genomics 2015; 16:10. [PMID: 25609057 PMCID: PMC4307178 DOI: 10.1186/s12864-014-1210-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2014] [Accepted: 12/30/2014] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Behavioral traits such as sociability, emotional reactivity and aggressiveness are major factors in animal adaptation to breeding conditions. In order to investigate the genetic control of these traits as well as their relationships with production traits, a study was undertaken on a large second generation cross (F2) between two lines of Japanese Quail divergently selected on their social reinstatement behavior. All the birds were measured for several social behaviors (social reinstatement, response to social isolation, sexual motivation, aggression), behaviors measuring the emotional reactivity of the birds (reaction to an unknown object, tonic immobility reaction), and production traits (body weight and egg production). RESULTS We report the results of the first genome-wide QTL detection based on a medium density SNP panel obtained from whole genome sequencing of a pool of individuals from each divergent line. A genetic map was constructed using 2145 markers among which 1479 could be positioned on 28 different linkage groups. The sex-averaged linkage map spanned a total of 3057 cM with an average marker spacing of 2.1 cM. With the exception of a few regions, the marker order was the same in Japanese Quail and the chicken, which confirmed a well conserved synteny between the two species. The linkage analyses performed using QTLMAP software revealed a total of 45 QTLs related either to behavioral (23) or production (22) traits. The most numerous QTLs (15) concerned social motivation traits. Interestingly, our results pinpointed putative pleiotropic regions which controlled emotional reactivity and body-weight of birds (on CJA5 and CJA8) or their social motivation and the onset of egg laying (on CJA19). CONCLUSION This study identified several QTL regions for social and emotional behaviors in the Quail. Further research will be needed to refine the QTL and confirm or refute the role of candidate genes, which were suggested by bioinformatics analysis. It can be hoped that the identification of genes and polymorphisms related to behavioral traits in the quail will have further applications for other poultry species (especially the chicken) and will contribute to solving animal welfare issues in poultry production.
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Affiliation(s)
| | - Frédérique Pitel
- UMR INRA/Génétique Physiologie et Systèmes d'Elevage, INRA, F-31326, Castanet-Tolosan, France.
- INPT ENSAT / Génétique Physiologie et Systèmes d'Elevage, INRA, F-31326, Castanet-Tolosan, France.
- INPT ENVT Génétique Physiologie et Systèmes d'Elevage, INRA, F-31326, Castanet-Tolosan, France.
| | - Cécile Arnould
- INRA, UMR85 Physiologie de la Reproduction et des Comportements, F-37380, Nouzilly, France.
- CNRS, UMR7247, F-37380, Nouzilly, France.
- Université François Rabelais de Tours, F-37000, Tours, France.
- IFCE, F-37380, Nouzilly, France.
| | - Sophie Leroux
- UMR INRA/Génétique Physiologie et Systèmes d'Elevage, INRA, F-31326, Castanet-Tolosan, France.
- INPT ENSAT / Génétique Physiologie et Systèmes d'Elevage, INRA, F-31326, Castanet-Tolosan, France.
- INPT ENVT Génétique Physiologie et Systèmes d'Elevage, INRA, F-31326, Castanet-Tolosan, France.
| | - Patrice Dehais
- UMR INRA/Génétique Physiologie et Systèmes d'Elevage, INRA, F-31326, Castanet-Tolosan, France.
- INPT ENSAT / Génétique Physiologie et Systèmes d'Elevage, INRA, F-31326, Castanet-Tolosan, France.
- INPT ENVT Génétique Physiologie et Systèmes d'Elevage, INRA, F-31326, Castanet-Tolosan, France.
- INRA, Sigenae UR875 Biométrie et Intelligence Artificielle, F-31326, Castanet-Tolosan, France.
| | - Carole Moréno
- UMR INRA/Génétique Physiologie et Systèmes d'Elevage, INRA, F-31326, Castanet-Tolosan, France.
- INPT ENSAT / Génétique Physiologie et Systèmes d'Elevage, INRA, F-31326, Castanet-Tolosan, France.
- INPT ENVT Génétique Physiologie et Systèmes d'Elevage, INRA, F-31326, Castanet-Tolosan, France.
| | - Ludovic Calandreau
- INRA, UMR85 Physiologie de la Reproduction et des Comportements, F-37380, Nouzilly, France.
- CNRS, UMR7247, F-37380, Nouzilly, France.
- Université François Rabelais de Tours, F-37000, Tours, France.
- IFCE, F-37380, Nouzilly, France.
| | - Aline Bertin
- INRA, UMR85 Physiologie de la Reproduction et des Comportements, F-37380, Nouzilly, France.
- CNRS, UMR7247, F-37380, Nouzilly, France.
- Université François Rabelais de Tours, F-37000, Tours, France.
- IFCE, F-37380, Nouzilly, France.
| | - David Gourichon
- UE1295 Pôle d'Expérimentation Avicole de Tours, F-37380, Nouzilly, France.
| | - Olivier Bouchez
- UMR INRA/Génétique Physiologie et Systèmes d'Elevage, INRA, F-31326, Castanet-Tolosan, France.
- INPT ENSAT / Génétique Physiologie et Systèmes d'Elevage, INRA, F-31326, Castanet-Tolosan, France.
- INPT ENVT Génétique Physiologie et Systèmes d'Elevage, INRA, F-31326, Castanet-Tolosan, France.
- INRA, GeT-PlaGe Genotoul, F-31326, Castanet-Tolosan, France.
| | - Alain Vignal
- UMR INRA/Génétique Physiologie et Systèmes d'Elevage, INRA, F-31326, Castanet-Tolosan, France.
- INPT ENSAT / Génétique Physiologie et Systèmes d'Elevage, INRA, F-31326, Castanet-Tolosan, France.
- INPT ENVT Génétique Physiologie et Systèmes d'Elevage, INRA, F-31326, Castanet-Tolosan, France.
| | - Maria Ines Fariello
- UMR INRA/Génétique Physiologie et Systèmes d'Elevage, INRA, F-31326, Castanet-Tolosan, France.
- INPT ENSAT / Génétique Physiologie et Systèmes d'Elevage, INRA, F-31326, Castanet-Tolosan, France.
- INPT ENVT Génétique Physiologie et Systèmes d'Elevage, INRA, F-31326, Castanet-Tolosan, France.
- Institut Pasteur, Montevideo, Uruguay.
| | - Francis Minvielle
- INRA, UMR1313 GABI Génétique Animale et Biologie Intégrative, F-78530, Jouy-en-Josas, France.
| | | | - Christine Leterrier
- INRA, UMR85 Physiologie de la Reproduction et des Comportements, F-37380, Nouzilly, France.
- CNRS, UMR7247, F-37380, Nouzilly, France.
- Université François Rabelais de Tours, F-37000, Tours, France.
- IFCE, F-37380, Nouzilly, France.
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Tran TS, Narcy A, Carré B, Gabriel I, Rideau N, Gilbert H, Demeure O, Bed'Hom B, Chantry-Darmon C, Boscher MY, Bastianelli D, Sellier N, Chabault M, Calenge F, Le Bihan-Duval E, Beaumont C, Mignon-Grasteau S. Detection of QTL controlling digestive efficiency and anatomy of the digestive tract in chicken fed a wheat-based diet. Genet Sel Evol 2014; 46:25. [PMID: 24708200 PMCID: PMC4000150 DOI: 10.1186/1297-9686-46-25] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2013] [Accepted: 03/12/2014] [Indexed: 11/16/2022] Open
Abstract
Background Improving digestive efficiency is a major goal in poultry production, to reduce production costs, make possible the use of alternative feedstuffs and decrease the volume of manure produced. Since measuring digestive efficiency is difficult, identifying molecular markers associated with genes controlling this trait would be a valuable tool for selection. Detection of QTL (quantitative trait loci) was undertaken on 820 meat-type chickens in a F2 cross between D- and D+ lines divergently selected on low or high AMEn (apparent metabolizable energy value of diet corrected to 0 nitrogen balance) measured at three weeks in animals fed a low-quality diet. Birds were measured for 13 traits characterizing digestive efficiency (AMEn, coefficients of digestive utilization of starch, lipids, proteins and dry matter (CDUS, CDUL, CDUP, CDUDM)), anatomy of the digestive tract (relative weights of the proventriculus, gizzard and intestine and proventriculus plus gizzard (RPW, RGW, RIW, RPGW), relative length and density of the intestine (RIL, ID), ratio of proventriculus and gizzard to intestine weight (PG/I); and body weight at 23 days of age. Animals were genotyped for 6000 SNPs (single nucleotide polymorphisms) distributed on 28 autosomes, the Z chromosome and one unassigned linkage group. Results Nine QTL for digestive efficiency traits, 11 QTL for anatomy-related traits and two QTL for body weight at 23 days of age were detected. On chromosome 20, two significant QTL at the genome level co-localized for CDUS and CDUDM, i.e. two traits that are highly correlated genetically. Moreover, on chromosome 16, chromosome-wide QTL for AMEn, CDUS, CDUDM and CDUP, on chromosomes 23 and 26, chromosome-wide QTL for CDUS, on chromosomes 16 and 26, co-localized QTL for digestive efficiency and the ratio of intestine length to body weight and on chromosome 27 a chromosome-wide QTL for CDUDM were identified. Conclusions This study identified several regions of the chicken genome involved in the control of digestive efficiency. Further studies are necessary to identify the underlying genes and to validate these in commercial populations and breeding environments.
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Recoquillay J, Leterrier C, Calandreau L, Bertin A, Pitel F, Gourichon D, Vignal A, Beaumont C, Le Bihan-Duval E, Arnould C. Evidence of phenotypic and genetic relationships between sociality, emotional reactivity and production traits in Japanese quail. PLoS One 2013; 8:e82157. [PMID: 24324761 PMCID: PMC3852745 DOI: 10.1371/journal.pone.0082157] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2013] [Accepted: 10/22/2013] [Indexed: 11/23/2022] Open
Abstract
The social behavior of animals, which is partially controlled by genetics, is one of the factors involved in their adaptation to large breeding groups. To understand better the relationships between different social behaviors, fear behaviors and production traits, we analyzed the phenotypic and genetic correlations of these traits in Japanese quail by a second generation crossing of two lines divergently selected for their social reinstatement behavior. Analyses of results for 900 individuals showed that the phenotypic correlations between behavioral traits were low with the exception of significant correlations between sexual behavior and aggressive pecks both at phenotypic (0.51) and genetic (0.90) levels. Significant positive genetic correlations were observed between emotional reactivity toward a novel object and sexual (0.89) or aggressive (0.63) behaviors. The other genetic correlations were observed mainly between behavioral and production traits. Thus, the level of emotional reactivity, estimated by the duration of tonic immobility, was positively correlated with weight at 17 and 65 days of age (0.76 and 0.79, respectively) and with delayed egg laying onset (0.74). In contrast, a higher level of social reinstatement behavior was associated with an earlier egg laying onset (-0.71). In addition, a strong sexual motivation was correlated with an earlier laying onset (-0.68) and a higher number of eggs laid (0.82). A low level of emotional reactivity toward a novel object and also a higher aggressive behavior were genetically correlated with a higher number of eggs laid (0.61 and 0.58, respectively). These results bring new insights into the complex determinism of social and emotional reactivity behaviors in birds and their relationships with production traits. Furthermore, they highlight the need to combine animal welfare and production traits in selection programs by taking into account traits of sociability and emotional reactivity.
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Affiliation(s)
| | - Christine Leterrier
- INRA, UMR85 Physiologie de la Reproduction et des Comportements, Nouzilly, France
- CNRS, UMR7247, Nouzilly, France
- Université François Rabelais de Tours, Tours, France
- IFCE, Nouzilly, France
| | - Ludovic Calandreau
- INRA, UMR85 Physiologie de la Reproduction et des Comportements, Nouzilly, France
- CNRS, UMR7247, Nouzilly, France
- Université François Rabelais de Tours, Tours, France
- IFCE, Nouzilly, France
| | - Aline Bertin
- INRA, UMR85 Physiologie de la Reproduction et des Comportements, Nouzilly, France
- CNRS, UMR7247, Nouzilly, France
- Université François Rabelais de Tours, Tours, France
- IFCE, Nouzilly, France
| | - Frédérique Pitel
- INRA-ENVT, UMR444 Génétique Cellulaire, Castanet-Tolosan, France
| | - David Gourichon
- UE1295 Pôle d’Expérimentation Avicole de Tours, Nouzilly, France
| | - Alain Vignal
- INRA-ENVT, UMR444 Génétique Cellulaire, Castanet-Tolosan, France
| | | | | | - Cécile Arnould
- INRA, UMR85 Physiologie de la Reproduction et des Comportements, Nouzilly, France
- CNRS, UMR7247, Nouzilly, France
- Université François Rabelais de Tours, Tours, France
- IFCE, Nouzilly, France
- * E-mail:
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Demeure O, Duclos MJ, Bacciu N, Le Mignon G, Filangi O, Pitel F, Boland A, Lagarrigue S, Cogburn LA, Simon J, Le Roy P, Le Bihan-Duval E. Genome-wide interval mapping using SNPs identifies new QTL for growth, body composition and several physiological variables in an F2 intercross between fat and lean chicken lines. Genet Sel Evol 2013; 45:36. [PMID: 24079476 PMCID: PMC3851061 DOI: 10.1186/1297-9686-45-36] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2013] [Accepted: 09/10/2013] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND For decades, genetic improvement based on measuring growth and body composition traits has been successfully applied in the production of meat-type chickens. However, this conventional approach is hindered by antagonistic genetic correlations between some traits and the high cost of measuring body composition traits. Marker-assisted selection should overcome these problems by selecting loci that have effects on either one trait only or on more than one trait but with a favorable genetic correlation. In the present study, identification of such loci was done by genotyping an F2 intercross between fat and lean lines divergently selected for abdominal fatness genotyped with a medium-density genetic map (120 microsatellites and 1302 single nucleotide polymorphisms). Genome scan linkage analyses were performed for growth (body weight at 1, 3, 5, and 7 weeks, and shank length and diameter at 9 weeks), body composition at 9 weeks (abdominal fat weight and percentage, breast muscle weight and percentage, and thigh weight and percentage), and for several physiological measurements at 7 weeks in the fasting state, i.e. body temperature and plasma levels of IGF-I, NEFA and glucose. Interval mapping analyses were performed with the QTLMap software, including single-trait analyses with single and multiple QTL on the same chromosome. RESULTS Sixty-seven QTL were detected, most of which had never been described before. Of these 67 QTL, 47 were detected by single-QTL analyses and 20 by multiple-QTL analyses, which underlines the importance of using different statistical models. Close analysis of the genes located in the defined intervals identified several relevant functional candidates, such as ACACA for abdominal fatness, GHSR and GAS1 for breast muscle weight, DCRX and ASPSCR1 for plasma glucose content, and ChEBP for shank diameter. CONCLUSIONS The medium-density genetic map enabled us to genotype new regions of the chicken genome (including micro-chromosomes) that influenced the traits investigated. With this marker density, confidence intervals were sufficiently small (14 cM on average) to search for candidate genes. Altogether, this new information provides a valuable starting point for the identification of causative genes responsible for important QTL controlling growth, body composition and metabolic traits in the broiler chicken.
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Affiliation(s)
- Olivier Demeure
- INRA, UMR1348 PEGASE, 35042 Rennes, France
- Agrocampus Ouest, UMR1348 PEGASE, 35042 Rennes, France
| | | | - Nicola Bacciu
- INRA, UMR1348 PEGASE, 35042 Rennes, France
- Agrocampus Ouest, UMR1348 PEGASE, 35042 Rennes, France
| | - Guillaume Le Mignon
- INRA, UMR1348 PEGASE, 35042 Rennes, France
- Agrocampus Ouest, UMR1348 PEGASE, 35042 Rennes, France
| | - Olivier Filangi
- INRA, UMR1348 PEGASE, 35042 Rennes, France
- Agrocampus Ouest, UMR1348 PEGASE, 35042 Rennes, France
| | - Frédérique Pitel
- INRA, UMR444 Génétique Cellulaire, 31326 Castanet-Tolosan, France
| | - Anne Boland
- CEA, IG, Centre National de Génotypage, 2 rue Gaston-Crémieux, CP 5721, 91057 Evry, France
| | - Sandrine Lagarrigue
- INRA, UMR1348 PEGASE, 35042 Rennes, France
- Agrocampus Ouest, UMR1348 PEGASE, 35042 Rennes, France
| | - Larry A Cogburn
- Department of Animal and Food Sciences, University of Delaware, Newark, DE 19717, USA
| | - Jean Simon
- INRA, UR83 Recherches Avicoles, 37380 Nouzilly, France
| | - Pascale Le Roy
- INRA, UMR1348 PEGASE, 35042 Rennes, France
- Agrocampus Ouest, UMR1348 PEGASE, 35042 Rennes, France
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Resnyk CW, Carré W, Wang X, Porter TE, Simon J, Le Bihan-Duval E, Duclos MJ, Aggrey SE, Cogburn LA. Transcriptional analysis of abdominal fat in genetically fat and lean chickens reveals adipokines, lipogenic genes and a link between hemostasis and leanness. BMC Genomics 2013; 14:557. [PMID: 23947536 PMCID: PMC3765218 DOI: 10.1186/1471-2164-14-557] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2013] [Accepted: 08/12/2013] [Indexed: 12/15/2022] Open
Abstract
Background This descriptive study of the abdominal fat transcriptome takes advantage of two experimental lines of meat-type chickens (Gallus domesticus), which were selected over seven generations for a large difference in abdominal (visceral) fatness. At the age of selection (9 wk), the fat line (FL) and lean line (LL) chickens exhibit a 2.5-fold difference in abdominal fat weight, while their feed intake and body weight are similar. These unique avian models were originally created to unravel genetic and endocrine regulation of adiposity and lipogenesis in meat-type chickens. The Del-Mar 14K Chicken Integrated Systems microarray was used for a time-course analysis of gene expression in abdominal fat of FL and LL chickens during juvenile development (1–11 weeks of age). Results Microarray analysis of abdominal fat in FL and LL chickens revealed 131 differentially expressed (DE) genes (FDR≤0.05) as the main effect of genotype, 254 DE genes as an interaction of age and genotype and 3,195 DE genes (FDR≤0.01) as the main effect of age. The most notable discoveries in the abdominal fat transcriptome were higher expression of many genes involved in blood coagulation in the LL and up-regulation of numerous adipogenic and lipogenic genes in FL chickens. Many of these DE genes belong to pathways controlling the synthesis, metabolism and transport of lipids or endocrine signaling pathways activated by adipokines, retinoid and thyroid hormones. Conclusions The present study provides a dynamic view of differential gene transcription in abdominal fat of chickens genetically selected for fatness (FL) or leanness (LL). Remarkably, the LL chickens over-express a large number of hemostatic genes that could be involved in proteolytic processing of adipokines and endocrine factors, which contribute to their higher lipolysis and export of stored lipids. Some of these changes are already present at 1 week of age before the divergence in fatness. In contrast, the FL chickens have enhanced expression of numerous lipogenic genes mainly after onset of divergence, presumably directed by multiple transcription factors. This transcriptional analysis shows that abdominal fat of the chicken serves a dual function as both an endocrine organ and an active metabolic tissue, which could play a more significant role in lipogenesis than previously thought.
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Affiliation(s)
- Christopher W Resnyk
- Department of Animal and Food Sciences, University of Delaware, Newark, DE 19716, USA
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Chabault M, Baéza E, Gigaud V, Chartrin P, Chapuis H, Boulay M, Arnould C, D'Abbadie F, Berri C, Le Bihan-Duval E. Analysis of a slow-growing line reveals wide genetic variability of carcass and meat quality-related traits. BMC Genet 2012; 13:90. [PMID: 23088779 PMCID: PMC3502163 DOI: 10.1186/1471-2156-13-90] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2012] [Accepted: 10/18/2012] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Slow-growing lines are widely used in France for the production of high quality free-range chickens. While such production is mainly dedicated to the whole carcass market, new prospects are opening up for the development of cuts and processed products. Whether the body composition and meat quality of slow-growing birds can be improved by selection has thus become an important issue. The genetic parameters of growth, body composition and breast meat quality traits were evaluated in relation to behaviour at slaughter in a large pedigree population including 1022 male and female slow-growing birds. RESULTS The heritability coefficients (h²) of body weight and body composition traits varied from 0.3 to 0.5. Abdominal fat percentage was genetically positively correlated with body weight but negatively correlated with breast muscle yield. The characteristics of the breast meat (i.e., post-mortem fall in pH, colour, drip loss, shear-force and lipid content) were all heritable, with h² estimates ranging from 0.18 to 0.48. The rate and extent of the fall in pH were under different genetic control. Strong negative genetic correlations were found between the ultimate pH and the lightness, yellowness and drip loss of the meat. Wing flapping on the shackle line was significantly heritable and exhibited marked genetic correlations with the pH at 15 min post-slaughter and the redness of the meat. The genetic relationships between meat quality traits, body weight and body composition appeared slightly different between males and females. CONCLUSION This study suggested that there are a number of important criteria for selection on carcass and breast meat quality in slow-growing birds. Selection for reduced abdominal fatness and increased breast muscle yield should be effective as both traits were found to be highly heritable and favourably correlated. Substantial improvement in meat quality could be achieved by selection on ultimate pH which was highly heritable and strongly correlated with the colour and water-holding capacity of the meat. Moreover, this study revealed for the first time that the behaviour at slaughter is partly genetically determined in the chicken.
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Affiliation(s)
- Marie Chabault
- Institut National de la Recherche Agronomique (INRA), UR83 Recherches Avicoles, F-37380, Nouzilly, France.
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de Verdal H, Narcy A, Bastianelli D, Chapuis H, Même N, Urvoix S, Le Bihan-Duval E, Mignon-Grasteau S. Improving the efficiency of feed utilization in poultry by selection. 2. Genetic parameters of excretion traits and correlations with anatomy of the gastro-intestinal tract and digestive efficiency. BMC Genet 2011; 12:71. [PMID: 21846409 PMCID: PMC3201020 DOI: 10.1186/1471-2156-12-71] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2011] [Accepted: 08/17/2011] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Poultry production has been widely criticized for its negative environmental impact related to the quantity of manure produced and to its nitrogen and phosphorus content. In this study, we investigated which traits related to excretion could be used to select chickens for lower environmental pollution.The genetic parameters of several excretion traits were estimated on 630 chickens originating from 2 chicken lines divergently selected on apparent metabolisable energy corrected for zero nitrogen (AMEn) at constant body weight. The quantity of excreta relative to feed consumption (CDUDM), the nitrogen and phosphorus excreted, the nitrogen to phosphorus ratio and the water content of excreta were measured, and the consequences of such selection on performance and gastro-intestinal tract (GIT) characteristics estimated. The genetic correlations between excretion, GIT and performance traits were established. RESULTS Heritability estimates were high for CDUDM and the nitrogen excretion rate (0.30 and 0.29, respectively). The other excretion measurements showed low to moderate heritability estimates, ranging from 0.10 for excreta water content to 0.22 for the phosphorus excretion rate. Except for the excreta water content, the CDUDM was highly correlated with the excretion traits, ranging from -0.64 to -1.00. The genetic correlations between AMEn or CDUDM and the GIT characteristics were very similar and showed that a decrease in chicken excretion involves an increase in weight of the upper part of the GIT, and a decrease in the weight of the small intestine. CONCLUSION In order to limit the environmental impact of chicken production, AMEn and CDUDM seem to be more suitable criteria to include in selection schemes than feed efficiency traits.
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de Verdal H, Narcy A, Bastianelli D, Chapuis H, Même N, Urvoix S, Le Bihan-Duval E, Mignon-Grasteau S. Improving the efficiency of feed utilization in poultry by selection. 1. Genetic parameters of anatomy of the gastro-intestinal tract and digestive efficiency. BMC Genet 2011; 12:59. [PMID: 21733156 PMCID: PMC3141568 DOI: 10.1186/1471-2156-12-59] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2011] [Accepted: 07/06/2011] [Indexed: 12/03/2022] Open
Abstract
Background Feed costs represent about 70% of the costs of raising broilers. The main way to decrease these costs is to improve feed efficiency by modification of diet formulation, but one other possibility would be to use genetic selection. Understanding the genetic architecture of the gastro-intestinal tract (GIT) and the impact of the selection criterion on the GIT would be of particular interest. We therefore studied the genetic parameters of AMEn (Apparent metabolisable energy corrected for zero nitrogen balance), feed efficiency, and GIT traits in chickens. Genetic parameters were estimated for 630 broiler chickens of the eighth generation of a divergent selection experiment on AMEn. Birds were reared until 23 d of age and fed a wheat-based diet. The traits measured were body weight (BW), feed conversion ratio (FCR), AMEn, weights of crop, liver, gizzard and proventriculus, and weight, length and density of the duodenum, jejunum and ileum. Results The heritability estimates of BW, FCR and AMEn were moderate. The heritability estimates were higher for the GIT characteristics except for the weights of the proventriculus and liver. Gizzard weight was negatively correlated with density (weight to length ratio) of duodenum, jejunum and ileum. Proventriculus and gizzard weights were more strongly correlated with AMEn than with FCR, which was not the case for intestine weight and density. Conclusions GIT traits were largely dependent on genetics and that selecting on AMEn or FCR would modify them. Phenotypic observations carried out in the divergent lines selected on AMEn were consistent with estimated genetic correlations between AMEn and GIT traits.
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Byerly MS, Simon J, Cogburn LA, Le Bihan-Duval E, Duclos MJ, Aggrey SE, Porter TE. Transcriptional profiling of hypothalamus during development of adiposity in genetically selected fat and lean chickens. Physiol Genomics 2010; 42:157-67. [PMID: 20371548 DOI: 10.1152/physiolgenomics.00029.2010] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
The hypothalamus integrates peripheral signals to regulate food intake, energy metabolism, and ultimately growth rate and body composition in vertebrates. Deviations in hypothalamic regulatory controls can lead to accumulation of excess body fat. Many regulatory genes involved in this process remain unidentified, and comparative studies may be helpful to unravel evolutionarily conserved mechanisms controlling body weight and food intake. In the present study, divergently selected fat (FL) and lean (LL) lines of chickens were used to characterize differences in hypothalamic gene expression in these unique genetic lines that develop differences in adiposity without differences in food intake or body weight. Hypothalamic transcriptional profiles were defined with cDNA microarrays before and during divergence of adiposity between the two lines. Six differentially expressed genes identified in chickens are related to genes associated with control of body fat in transgenic or knockout mice, supporting the importance of these genes across species. We identified differences in expression of nine genes involved in glucose metabolism, suggesting that alterations in hypothalamic glycolysis might contribute to differences in levels of body fat between genotypes. Expression of the sweet taste receptor (TAS1R1), which in mammals is involved in glucose sensing and energy uptake, was also higher in FL chickens, suggesting that early differences in glucose sensing might alter the set point for subsequent body composition. Differences in expression of genes associated with tumor necrosis factor (TNF) signaling were also noted. In summary, we identified alterations in transcriptional and metabolic processes within the hypothalamus that could contribute to excessive accumulation of body fat in FL chickens in the absence of differences in food intake, thereby contributing to the genetic basis for obesity in this avian model.
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Affiliation(s)
- Mardi S Byerly
- Department of Animal and Avian Sciences, University of Maryland, College Park, MD 20742, USA
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Ankra-Badu GA, Shriner D, Le Bihan-Duval E, Mignon-Grasteau S, Pitel F, Beaumont C, Duclos MJ, Simon J, Porter TE, Vignal A, Cogburn LA, Allison DB, Yi N, Aggrey SE. Mapping main, epistatic and sex-specific QTL for body composition in a chicken population divergently selected for low or high growth rate. BMC Genomics 2010; 11:107. [PMID: 20149241 PMCID: PMC2830984 DOI: 10.1186/1471-2164-11-107] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2009] [Accepted: 02/11/2010] [Indexed: 11/30/2022] Open
Abstract
Background Delineating the genetic basis of body composition is important to agriculture and medicine. In addition, the incorporation of gene-gene interactions in the statistical model provides further insight into the genetic factors that underlie body composition traits. We used Bayesian model selection to comprehensively map main, epistatic and sex-specific QTL in an F2 reciprocal intercross between two chicken lines divergently selected for high or low growth rate. Results We identified 17 QTL with main effects across 13 chromosomes and several sex-specific and sex-antagonistic QTL for breast meat yield, thigh + drumstick yield and abdominal fatness. Different sets of QTL were found for both breast muscles [Pectoralis (P) major and P. minor], which suggests that they could be controlled by different regulatory mechanisms. Significant interactions of QTL by sex allowed detection of sex-specific and sex-antagonistic QTL for body composition and abdominal fat. We found several female-specific P. major QTL and sex-antagonistic P. minor and abdominal fatness QTL. Also, several QTL on different chromosomes interact with each other to affect body composition and abdominal fatness. Conclusions The detection of main effects, epistasis and sex-dimorphic QTL suggest complex genetic regulation of somatic growth. An understanding of such regulatory mechanisms is key to mapping specific genes that underlie QTL controlling somatic growth in an avian model.
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Affiliation(s)
- Georgina A Ankra-Badu
- Department of Poultry Science/Institute of Bioinformatics, University of Georgia, Athens, GA 30602, USA
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Nadaf J, Pitel F, Gilbert H, Duclos MJ, Vignoles F, Beaumont C, Vignal A, Porter TE, Cogburn LA, Aggrey SE, Simon J, Le Bihan-Duval E. QTL for several metabolic traits map to loci controlling growth and body composition in an F2 intercross between high- and low-growth chicken lines. Physiol Genomics 2009; 38:241-9. [DOI: 10.1152/physiolgenomics.90384.2008] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Quantitative trait loci (QTL) for metabolic and body composition traits were mapped at 7 and 9 wk, respectively, in an F2 intercross between high-growth and low-growth chicken lines. These lines also diverged for abdominal fat percentage (AFP) and plasma insulin-like growth factor-I (IGF-I), insulin, and glucose levels. Genotypings were performed with 129 microsatellite markers covering 21 chromosomes. A total of 21 QTL with genomewide level of significance were detected by single-trait analyses for body weight (BW), breast muscle weight (BMW) and percentage (BMP), AF weight (AFW) and percentage (AFP), shank length (ShL) and diameter (ShD), fasting plasma glucose level (Gluc), and body temperature (Tb). Other suggestive QTL were identified for these parameters and for plasma IGF-I and nonesterified fatty acid levels. QTL controlling adiposity and Gluc were colocalized on GGA3 and GGA5 and QTL for BW, ShL and ShD, adiposity, and Tb on GGA4. Multitrait analyses revealed two QTL controlling Gluc and AFP on GGA5 and Gluc and Tb on GGA26. Significant effects of the reciprocal cross were observed on BW, ShD, BMW, and Gluc, which may result from mtDNA and/or maternal effects. Most QTL regions for Gluc and adiposity harbor genes for which alleles have been associated with increased susceptibility to diabetes and/or obesity in humans. Identification of genes responsible for these metabolic QTL will increase our understanding of the constitutive “hyperglycemia” found in chickens. Furthermore, a comparative approach could provide new information on the genetic causes of diabetes and obesity in humans.
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Affiliation(s)
- Javad Nadaf
- Institut National de la Recherche Agronomique (INRA, UR83) Recherches Avicoles, Nouzilly
| | | | - Hélène Gilbert
- INRA, UMR1313 Génétique Animale et Biologie Intégrative, Jouy-en-Josas, France
| | - Michel J. Duclos
- Institut National de la Recherche Agronomique (INRA, UR83) Recherches Avicoles, Nouzilly
| | | | - Catherine Beaumont
- Institut National de la Recherche Agronomique (INRA, UR83) Recherches Avicoles, Nouzilly
| | - Alain Vignal
- INRA, ENVT, UMR444 Génétique Cellulaire, Castanet-Tolosan
| | - Tom E. Porter
- Department of Animal and Avian Sciences, University of Maryland, College Park, Maryland
| | - Larry A. Cogburn
- Department of Animal and Food Sciences, University of Delaware, Newark, Delaware
| | - Samuel E. Aggrey
- Department of Poultry Science, University of Georgia, Athens, Georgia
| | - Jean Simon
- Institut National de la Recherche Agronomique (INRA, UR83) Recherches Avicoles, Nouzilly
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Le Bihan-Duval E, Debut M, Berri CM, Sellier N, Santé-Lhoutellier V, Jégo Y, Beaumont C. Chicken meat quality: genetic variability and relationship with growth and muscle characteristics. BMC Genet 2008; 9:53. [PMID: 18706119 PMCID: PMC2533670 DOI: 10.1186/1471-2156-9-53] [Citation(s) in RCA: 132] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2008] [Accepted: 08/18/2008] [Indexed: 11/30/2022] Open
Abstract
Background The qualitative properties of the meat are of major importance for poultry breeding, since meat is now widely consumed as cuts or as processed products. The aim of this study was to evaluate the genetic parameters of several breast meat quality traits and their genetic relationships with muscle characteristics in a heavy commercial line of broilers. Results Significant levels of heritability (averaging 0.3) were obtained for breast meat quality traits such as pH at 15 min post-slaughter, ultimate pH (pHu), color assessed by lightness L*, redness a* and yellowness b*, drip loss, thawing-cooking loss and shear-force. The rate of decrease in pH early post-mortem and the final pH of the meat were shown to be key factors of chicken meat quality. In particular, a decrease in the final pH led to paler, more exudative and tougher breast meat. The level of glycogen stored in breast muscle estimated by the Glycolytic Potential (GP) at slaughter time was shown to be highly heritable (h2 0.43). There was a very strong negative genetic correlation (rg) with ultimate meat pH (rg -0.97), suggesting a common genetic control for GP and pHu. While breast muscle weight was genetically positively correlated with fiber size (rg 0.76), it was negatively correlated with the level of glycogen stored in the muscle (rg -0.58), and as a consequence it was positively correlated with the final pH of the meat (rg 0.84). Conclusion This genetic study confirmed that selection should be useful to improve meat characteristics of meat-type chickens without impairing profitability because no genetic conflict was detected between meat quality and meat quantity. Moreover, the results suggested relevant selection criteria such as ultimate pH, which is strongly related to color, water-holding capacity and texture of the meat in this heavy chicken line.
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Affiliation(s)
- Elisabeth Le Bihan-Duval
- Institut National de la Recherche Agronomique (INRA), UR83 Recherches Avicoles, F-37380 Nouzilly, France.
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Abasht B, Pitel F, Lagarrigue S, Le Bihan-Duval E, Le Roy P, Demeure O, Vignoles F, Simon J, Cogburn L, Aggrey S, Vignal A, Douaire M. Fatness QTL on chicken chromosome 5 and interaction with sex. Genet Sel Evol 2006; 38:297-311. [PMID: 16635451 PMCID: PMC2733900 DOI: 10.1186/1297-9686-38-3-297] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2005] [Accepted: 12/08/2005] [Indexed: 11/10/2022] Open
Abstract
Quantitative trait loci (QTL) affecting fatness in male chickens were previously identified on chromosome 5 (GGA5) in a three-generation design derived from two experimental chicken lines divergently selected for abdominal fat weight. A new design, established from the same pure lines, produced 407 F2 progenies (males and females) from 4 F1-sire families. Body weight and abdominal fat were measured on the F2 at 9 wk of age. In each sire family, selective genotyping was carried out for 48 extreme individuals for abdominal fat using seven microsatellite markers from GGA5. QTL analyses confirmed the presence of QTL for fatness on GGA5 and identified a QTL by sex interaction. By crossing one F1 sire heterozygous at the QTL with lean line dams, three recombinant backcross 1 (BC1) males were produced and their QTL genotypes were assessed in backcross 2 (BC2) progenies. These results confirmed the QTL by sex interaction identified in the F2 generation and they allow mapping of the female QTL to less than 8 Mb at the distal part of the GGA5. They also indicate that fat QTL alleles were segregating in both fat and lean lines.
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Affiliation(s)
- Behnam Abasht
- UMR Inra-Agrocampus Génétique animale, 35042 Rennes, France
| | - Frédérique Pitel
- Laboratoire de génétique cellulaire, Inra, 31326 Auzeville, France
| | | | | | - Pascale Le Roy
- UMR Inra-Agrocampus Génétique animale, 35042 Rennes, France
- SGQA, Inra, 78352 Jouy en Josas, France
| | | | | | - Jean Simon
- Station de recherches avicoles, Inra, 37380 Nouzilly, France
| | | | - Sammy Aggrey
- Department of Animal and Food Sciences, University of Delaware, Newark DE 19717, USA
| | - Alain Vignal
- Laboratoire de génétique cellulaire, Inra, 31326 Auzeville, France
| | - Madeleine Douaire
- UMR Inra-Agrocampus Génétique animale, 35042 Rennes, France
- University of Georgia, Athens, GA 30602, USA
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Berri C, Le Bihan-Duval E, Baéza E, Chartrin P, Picgirard L, Jehl N, Quentin M, Picard M, Duclos MJ. Further processing characteristics of breast and leg meat from fast-, medium- and slow-growing commercial chickens. ACTA ACUST UNITED AC 2005. [DOI: 10.1051/animres:2005008] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Le Bihan-Duval E, Berri C, Baéza E, Santé V, Astruc T, Rémignon H, Le Pottier G, Bentley J, Beaumont C, Fernandez X. Genetic parameters of meat technological quality traits in a grand-parental commercial line of turkey. Genet Sel Evol 2004; 35:623-35. [PMID: 14604511 PMCID: PMC2698002 DOI: 10.1186/1297-9686-35-7-623] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Genetic parameters for meat quality traits and their relationships with body weight and breast development were estimated for a total of 420 male turkeys using REML. The birds were slaughtered in a commercial plant and the traits measured included pH at 20 min (pH20) and 24 h post-mortem (pHu) and colour of the breast and thigh meat. The heritabilities of the rate and the extent of the pH fall in the breast muscle were estimated at h2 = 0.21 ± 0.04 and h2 = 0.16 ± 0.04, respectively. Heritabilities ranging from 0.10 to 0.32 were obtained for the colour indicators in the breast muscle. A marked negative genetic correlation (rg = -0.80 ± 0.10) was found between pH20 and lightness (L*) of breast meat, both traits corresponding to PSE indicators. The pH20 in the thigh muscle had a moderate heritability (h2 = 0.20 ± 0.07) and was partially genetically related to pH20 in the breast muscle (rg = 0.45 ± 0.17). Body weight and breast yield were positively correlated with both initial and ultimate pH and negatively with the lightness of breast meat.
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Affiliation(s)
- Elisabeth Le Bihan-Duval
- Institut national de la recherche agronomique, Station de recherches avicoles, 37380 Nouzilly, France.
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Quentin M, Bouvarel I, Berri C, Le Bihan-Duval E, Baéza E, Jégo Y, Picard M. Growth, carcass composition and meat quality response to dietary concentrations in fast-, medium- and slow-growing commercial broilers. ACTA ACUST UNITED AC 2003. [DOI: 10.1051/animres:2003005] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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