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Nielsen BL, Cellier M, Duvaux-Ponter C, Giger-Reverdin S. Dairy goats adjust their meal patterns to the fibre content of the diet. Animal 2021; 15:100265. [PMID: 34102433 DOI: 10.1016/j.animal.2021.100265] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 04/27/2021] [Accepted: 04/29/2021] [Indexed: 10/21/2022] Open
Abstract
Few studies have investigated how meal patterns of ruminants are affected by diet fibre content. Dairy goats (N = 32) in late lactation and early gestation were housed in eight groups of four goats, with all combinations of breed (Alpine and Saanen) and lactation number (1 and 2) represented in each group. Each goat had access to its own individual feed trough placed on a weigh scale with data logged automatically. All goats were fed the same total mixed ration (TMR; 30% concentrate and 44.6% NDF in DM) ad libitum for a control period of 22 days. Using the same feed ingredients, half of the groups were then offered a High fibre diet (20% concentrate; 47.3% NDF), and the other half a Low fibre diet (40% concentrate; 41.5% NDF) for a treatment period of 16 days. Daily meal patterns (meal frequency, duration and size, feeding rate, daily feed intake and daily feeding time) were computed for each animal using a meal criterion of 8 min. The last 10 days for each period (control and treatment) were used to calculate individual period means and individual differences between the two periods. During the control period, the goats ate on average 12.1 ± 0.49 meals/day, consuming 4.2 ± 0.10 kg fresh TMR daily. When the ration changed, all measures of feeding behaviour except meal size changed asymmetrically for the goats on the two diets. Goats fed the High fibre diet reduced their meal frequency by 10%, and the first meal after feed distribution lasted 11% longer, leading to a 9% reduction in feeding rate and no significant changes in daily feed intake and daily feeding time. Goats on the Low fibre diet did not significantly change their meal frequency or meal size, but the combined changes nevertheless led to a 9% increase in daily feed intake. On the Low fibre diet, goats were able to increase their feeding rate by a third, leading to a reduction in meal durations, thus reducing daily feeding time by 13%. Goats adapt their feeding behaviour to the fibre proportion of the offered diet, with more changes when fibre content is lowered, which needs to be taken into account when comparing phenotypes and adaptability of small ruminants to different diets.
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Affiliation(s)
- B L Nielsen
- Université Paris-Saclay, INRAE, AgroParisTech, UMR Modélisation Systémique Appliquée aux Ruminants (MoSAR), 75005 Paris, France
| | - M Cellier
- Université Paris-Saclay, INRAE, AgroParisTech, UMR Modélisation Systémique Appliquée aux Ruminants (MoSAR), 75005 Paris, France
| | - C Duvaux-Ponter
- Université Paris-Saclay, INRAE, AgroParisTech, UMR Modélisation Systémique Appliquée aux Ruminants (MoSAR), 75005 Paris, France.
| | - S Giger-Reverdin
- Université Paris-Saclay, INRAE, AgroParisTech, UMR Modélisation Systémique Appliquée aux Ruminants (MoSAR), 75005 Paris, France
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Taghipoor M, Delattre M, Giger-Reverdin S. A novel modelling approach to quantify the response of dairy goats to a high-concentrate diet. Sci Rep 2020; 10:20376. [PMID: 33230137 PMCID: PMC7683544 DOI: 10.1038/s41598-020-77353-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 04/10/2020] [Accepted: 11/02/2020] [Indexed: 11/08/2022] Open
Abstract
High-producing ruminants need high-concentrate diets to satisfy their nutrient requirements and meet performance objectives. However, such diets induce sub-acute ruminal acidosis (SARA), which will adversely affect dry matter intake and lead to lower production performance. This work develops a novel modelling approach to quantify the capacity of dairy goats to adapt to a high-concentrate diet challenge at the individual level. The animal model used was dairy goats (from Saanen or Alpine breed), and rumen pH was used as the indicator of the response. A three-step modelling procedure was developed to quantify daily scores and produce a single global index for animals' adaptive response to the new diet. The first step summarizes the post-prandial kinetics of rumen acid status using three synthetic variables. In the second step, the effect of time on the response of goats is described, in the short and long terms. In the last step, a metric based on phase trajectories ranks goats for their resilience capacity. This modelling procedure showed a high variability among the goats in response to the new diet, highlighting in particular their daily and general strategies to buffer the effect of the diet change. Two main categories of adaptive strategies were observed: (i) acid status increased, but the goats tried to minimize its variations, and (ii) acid status oscillated between increases and decreases. Such phenotyping, alongside other behavioral, digestive, and metabolic measures, can help to determine biomarkers of goats' capacity to adapt to diets of higher nutritive value and to increase production performance without compromising their health status. Quantifying the capacity of goats to buffer the effect of highly fermentable diets helps to better adapt feed to animals in precision livestock farming. This procedure is generic and can be adapted to any indicator of animal health and performance. In particular, several indicators can be combined to assess multi-performance, which is of major interest in the context of selection for robust animals.
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Affiliation(s)
- Masoomeh Taghipoor
- Université Paris-Saclay, INRAE, AgroParisTech, UMR Modélisation Systémique Appliquée aux Ruminants, 75005, Paris, France.
| | - Maud Delattre
- Université Paris-Saclay, INRAE, MaIAGE, 78350, Jouy-en-Josas, France
| | - Sylvie Giger-Reverdin
- Université Paris-Saclay, INRAE, AgroParisTech, UMR Modélisation Systémique Appliquée aux Ruminants, 75005, Paris, France
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Muñoz-Tamayo R, Giger-Reverdin S, Sauvant D. Mechanistic modelling of in vitro fermentation and methane production by rumen microbiota. Anim Feed Sci Technol 2016. [DOI: 10.1016/j.anifeedsci.2016.07.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Thorup VM, Nielsen BL, Robert PE, Giger-Reverdin S, Konka J, Michie C, Friggens NC. Lameness Affects Cow Feeding But Not Rumination Behavior as Characterized from Sensor Data. Front Vet Sci 2016; 3:37. [PMID: 27243025 PMCID: PMC4861842 DOI: 10.3389/fvets.2016.00037] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [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: 11/04/2015] [Accepted: 04/25/2016] [Indexed: 11/26/2022] Open
Abstract
Using automatic sensor data, this is the first study to characterize individual cow feeding and rumination behavior simultaneously as affected by lameness. A group of mixed-parity, lactating Holstein cows were loose-housed with free access to 24 cubicles and 12 automatic feed stations. Cows were milked three times/day. Fresh feed was delivered once daily. During 24 days with effectively 22 days of data, 13,908 feed station visits and 7,697 rumination events obtained from neck-mounted accelerometers on 16 cows were analyzed. During the same period, cows were locomotion scored on four occasions and categorized as lame (n = 9) or not lame (n = 7) throughout the study. Rumination time, number of rumination events, feeding time, feeding frequency, feeding rate, feed intake, and milk yield were calculated per day, and coefficients of variation were used to estimate variation between and within cows. Based on daily sums, using each characteristic as response, the effects of lameness and stage of lactation were tested in a mixed model. With rumination time as response, each of the four feeding characteristics, milk yield, and lameness were tested in a second mixed model. On a visit basis, effects of feeding duration, lameness, and milk yield on feed intake were tested in a third mixed model. Overall, intra-individual variation was <15% and inter-individual variation was up to 50%. Lameness introduced more inter-individual variation in feeding characteristics (26–50%) compared to non-lame cows (17–29%). Lameness decreased daily feeding time and daily feeding frequency, but increased daily feeding rate. Interestingly, lameness did not affect daily rumination behaviors, fresh matter intake, or milk yield. On a visit basis, a high feeding rate was associated with a higher feed intake, a relationship that was exacerbated in the lame cows. In conclusion, cows can be characterized in particular by their feeding behavior, and lame cows differ from their non-lame pen-mates in terms of fewer feed station visits, faster eating, less time spent feeding, and more variable feeding behavior. Further, daily rumination time was slightly negatively associated with feeding rate, a relationship which calls for more research to quantify rumination efficiency relative to feeding rate.
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Affiliation(s)
- Vivi M Thorup
- INRA, AgroParisTech, Université Paris-Saclay, UMR 791 Modélisation Systémique Appliquée aux Ruminants , Paris , France
| | | | - Pierre-Emmanuel Robert
- INRA, AgroParisTech, Université Paris-Saclay, UMR 791 Modélisation Systémique Appliquée aux Ruminants , Paris , France
| | - Sylvie Giger-Reverdin
- INRA, AgroParisTech, Université Paris-Saclay, UMR 791 Modélisation Systémique Appliquée aux Ruminants , Paris , France
| | - Jakub Konka
- Department of Electronic and Electrical Engineering, University of Strathclyde , Glasgow , UK
| | - Craig Michie
- Department of Electronic and Electrical Engineering, University of Strathclyde, Glasgow, UK; Silent Herdsman Ltd., Glasgow, UK
| | - Nicolas C Friggens
- INRA, AgroParisTech, Université Paris-Saclay, UMR 791 Modélisation Systémique Appliquée aux Ruminants , Paris , France
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Serment A, Giger-Reverdin S, Schmidely P, Dhumez O, Broudiscou LP, Sauvant D. In vitro fermentation of total mixed diets differing in concentrate proportion: relative effects of inocula and substrates. J Sci Food Agric 2016; 96:160-168. [PMID: 25581524 DOI: 10.1002/jsfa.7076] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Revised: 12/22/2014] [Accepted: 01/05/2015] [Indexed: 06/04/2023]
Abstract
BACKGROUND In vitro techniques are used to predict ruminant feedstuff values or characterise rumen fermentation. As the results are influenced by several factors, such as the relative effects of inocula and substrates, this study aimed to examine in vitro incubation of two total mixed rations (substrates) differing in their proportion of concentrate [low (L): 350 g kg(-1) vs. high (H): 700 g kg(-1)] incubated in inocula provided by goats fed either a L or a H diet. Gas production and composition in carbon dioxide (CO2), methane (CH4 ) and hydrogen (H2), volatile fatty acids (VFAs), soluble carbohydrates (SCs) and ammonia (NH3) concentrations, and pH of the fermentation fluid were measured. RESULTS In comparison with the L inoculum and L substrate, the H ones produced more CO2 and CH4 gas, which led to higher SCs and VFA concentrations, and lower acetate-to-propionate ratio and NH3 concentration, with a predominant effect of the inoculum. CONCLUSION The effects of the inocula and of the substrates were additive using donor animals adapted to the diets.
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Affiliation(s)
- Amélie Serment
- INRA, UMR 791, Modélisation Systémique Appliquée aux Ruminants,16, rue Claude Bernard, F-75005 Paris, France
- AgroParisTech, UMR 791, Modélisation Systémique Appliquée aux Ruminants, 16, rue Claude Bernard, F-75005 Paris, France
| | - Sylvie Giger-Reverdin
- INRA, UMR 791, Modélisation Systémique Appliquée aux Ruminants,16, rue Claude Bernard, F-75005 Paris, France
- AgroParisTech, UMR 791, Modélisation Systémique Appliquée aux Ruminants, 16, rue Claude Bernard, F-75005 Paris, France
| | - Philippe Schmidely
- INRA, UMR 791, Modélisation Systémique Appliquée aux Ruminants,16, rue Claude Bernard, F-75005 Paris, France
- AgroParisTech, UMR 791, Modélisation Systémique Appliquée aux Ruminants, 16, rue Claude Bernard, F-75005 Paris, France
| | - Ophélie Dhumez
- INRA, UMR 791, Modélisation Systémique Appliquée aux Ruminants,16, rue Claude Bernard, F-75005 Paris, France
- AgroParisTech, UMR 791, Modélisation Systémique Appliquée aux Ruminants, 16, rue Claude Bernard, F-75005 Paris, France
| | - Laurent P Broudiscou
- INRA, UMR 791, Modélisation Systémique Appliquée aux Ruminants,16, rue Claude Bernard, F-75005 Paris, France
- AgroParisTech, UMR 791, Modélisation Systémique Appliquée aux Ruminants, 16, rue Claude Bernard, F-75005 Paris, France
| | - Daniel Sauvant
- INRA, UMR 791, Modélisation Systémique Appliquée aux Ruminants,16, rue Claude Bernard, F-75005 Paris, France
- AgroParisTech, UMR 791, Modélisation Systémique Appliquée aux Ruminants, 16, rue Claude Bernard, F-75005 Paris, France
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Giger-Reverdin S, Maaroufi C, Peyronnet C, Sauvant D. Effects of particle size and dietary nitrogen content on the nutritive value of pea-based diets in mid-lactation goats. Anim Feed Sci Technol 2015. [DOI: 10.1016/j.anifeedsci.2015.09.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Giger-Reverdin S, Maaroufi C, Chapoutot P, Peyronnet C, Sauvant D. Influence of grinding on the nutritive value of peas for ruminants: comparison between in vitro and in situ approaches. Food Sci Nutr 2014; 2:308-20. [PMID: 25473488 PMCID: PMC4221829 DOI: 10.1002/fsn3.90] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [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: 08/17/2013] [Revised: 12/06/2013] [Accepted: 12/12/2013] [Indexed: 11/10/2022] Open
Abstract
In ruminant nutrition, peas are characterized by high protein solubility and degradability, which impair its protein value estimated by the official in situ method. Grinding can be used as a technological treatment of pea seeds to modify their nutritional value. The aim of this study was to compare the in situ method with an in vitro method on the same pea either in a coarse pea flour form (PCF) or in a ground pea fine flour form (PFF) to understand the effect of grinding. Both forms were also reground (GPCF and GPFF). PCF presented a lower rate of in vitro degradation than PFF, and more stable fermentation parameters (pH, ammonia, soluble carbohydrates) even if gas production was higher for the PCF after 48 h of incubation. In situ dry matter and protein degradation were lower for PCF than those for PFF; these differences were more marked than with the in vitro method. Reground peas were very similar to PFF. The values for pea protein digestible in the intestine (PDI) were higher for PCF than those for PFF. This study points out the high sensitivity of the in situ method to grinding. The study needs to be validated by in vivo measurements.
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Affiliation(s)
- Sylvie Giger-Reverdin
- INRA, UMR791 Modélisation Systémique Appliquée aux Ruminants F-75005, Paris, France ; AgroParisTech, UMR 791 Modélisation Systémique Appliquée aux Ruminants F-75005, Paris, France
| | - Chiraze Maaroufi
- INRA, UMR791 Modélisation Systémique Appliquée aux Ruminants F-75005, Paris, France ; AgroParisTech, UMR 791 Modélisation Systémique Appliquée aux Ruminants F-75005, Paris, France
| | - Patrick Chapoutot
- INRA, UMR791 Modélisation Systémique Appliquée aux Ruminants F-75005, Paris, France ; AgroParisTech, UMR 791 Modélisation Systémique Appliquée aux Ruminants F-75005, Paris, France
| | | | - Daniel Sauvant
- INRA, UMR791 Modélisation Systémique Appliquée aux Ruminants F-75005, Paris, France ; AgroParisTech, UMR 791 Modélisation Systémique Appliquée aux Ruminants F-75005, Paris, France
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Giger-Reverdin S, Rigalma K, Desnoyers M, Sauvant D, Duvaux-Ponter C. Effect of concentrate level on feeding behavior and rumen and blood parameters in dairy goats: Relationships between behavioral and physiological parameters and effect of between-animal variability. J Dairy Sci 2014; 97:4367-78. [DOI: 10.3168/jds.2013-7383] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2013] [Accepted: 03/16/2014] [Indexed: 11/19/2022]
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Chedid M, Jaber LS, Giger-Reverdin S, Duvaux-Ponter C, Hamadeh SK. Review: Water stress in sheep raised under arid conditions. Can J Anim Sci 2014. [DOI: 10.4141/cjas2013-188] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Chedid, M., Jaber, L. S., Giger-Reverdin, S., Duvaux-Ponter, C. and Hamadeh, S. K. 2014. Review: Water stress in sheep raised under arid conditions. Can. J. Anim. Sci. 94: 243–257. Sheep breeds which are indigenous to arid and semi-arid regions are known for their ability to adapt to rustic environments, to climatic variations as well as to shortages in resources. Water scarcity, often combined with heat stress, is a common challenge facing these animals, causing physiological perturbations and affecting the animal's productivity. This review reports the effect of different forms of water stress on physiological indicators, blood parameters, thermoregulation and immunological status in sheep. Although the breed effect may be significant, the following are generally observed common responses: drop in feed intake and weight loss, increase in evaporative cooling through panting, production of a small volume of highly concentrated urine, haemoconcentration, high blood osmolality, and immunosuppression. Prolonged water shortage may affect lamb birth weight and survival, and lead to a decrease in milk production, especially in non-adapted breeds, which could lead to important economic losses, as reported in heat-stressed sheep husbandries. Novel stress alleviation approaches are also presented, such as vitamin C supplementation.
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Affiliation(s)
- Mabelle Chedid
- Department of Animal and Veterinary Sciences, Faculty of Agricultural and Food Sciences, American University of Beirut, Riad el Solh 1107-2020, Beirut, Lebanon
| | - Lina S. Jaber
- Department of Animal and Veterinary Sciences, Faculty of Agricultural and Food Sciences, American University of Beirut, Riad el Solh 1107-2020, Beirut, Lebanon
| | - Sylvie Giger-Reverdin
- INRA UMR 791 MoSAR, 16 rue Claude Bernard, 75005 Paris, France
- AgroParisTech, UMR 791 MoSAR, 16 rue Claude Bernard, 75005 Paris, France
| | - Christine Duvaux-Ponter
- INRA UMR 791 MoSAR, 16 rue Claude Bernard, 75005 Paris, France
- AgroParisTech, UMR 791 MoSAR, 16 rue Claude Bernard, 75005 Paris, France
| | - Shadi K. Hamadeh
- Department of Animal and Veterinary Sciences, Faculty of Agricultural and Food Sciences, American University of Beirut, Riad el Solh 1107-2020, Beirut, Lebanon
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Jaber LS, Barbour EK, Abi-Said MR, Chedid M, Giger-Reverdin S, Duvaux-Ponter C, Morand-Fehr P, Hamadeh SK. Responses to repeated cycles of water restriction in lactating Shami goats. Journal of Applied Animal Research 2014. [DOI: 10.1080/09712119.2014.888001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Giger-Reverdin S, Sauvant D. Relationships of both urine nitrogen output and plasma urea concentration with rumen protein balance in lactating goats. Anim Prod Sci 2014. [DOI: 10.1071/an14372] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The updated INRA system incorporates the notion of rumen protein balance (RPB, g CP/kg DM) in an attempt to better fit feed evaluation, animal requirements and responses to diets. RPB is the difference between crude protein intake and entrance at the duodenum (excluding NH3) which is not very easy to measure in vivo. The aim of this study was to test the strength of the relationships between dietary RPB values obtained from the diet composition and criteria easier to measure, such as N urinary outputs or plasma urea concentration, both at a treatment level and at an individual level in a large dataset obtained from lactating goats fed different types of diets. RPB was a better predictor of urinary N output and plasma urea concentration than was the former French system for protein digestible in the intestine. Within experiments, RPB was highly and positively correlated with urinary nitrogen outputs and plasma urea concentration. RPB can be used to estimate the urinary N output in lactating dairy goats, but this study also showed that some of the residual variance was due to variability among animals.
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Sauvant D, Eugène M, Giger-Reverdin S, Archimède H, Doreau M. Relationship between CH4 and urinary N outputs in ruminants fed forages: a meta-analysis of the literature. Anim Prod Sci 2014. [DOI: 10.1071/an14616] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Enteric methane (CH4) and faecal and urinary nitrogen (N) are two major pollutants due to ruminants. However, relations between these two components have been seldom studied, and the specific relationships for forage diets are not known. A meta-analysis was conducted using a large database of published data for ruminants fed forages, in which CH4 production, digestibility and urinary N (UN) output were all available. A total of 148 treatments (55 from cattle and 93 from small ruminants) from 29 publications and 56 experiments were used. Globally, there was a positive relationship between CH4 and UN production when expressed either per kg of liveweight or per kg of dry matter (DMI) intake. These relationships were maintained when a subset of 38 experiments that focussed on the influence of variation of DMI were considered. Otherwise, when a subset of 17 experiments that focussed on forage crude protein content were considered, the two equations relating CH4 and UN remained significant but the slopes were much smaller. In conclusion, the positive relationship between CH4 and UN can be mainly explained by the indirect positive influences of DMI or of diet organic matter digestibility on these two parameters.
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Laporte-Broux B, Roussel S, Ponter AA, Giger-Reverdin S, Camous S, Chavatte-Palmer P, Duvaux-Ponter C. Long-term consequences of feed restriction during late pregnancy in goats on feeding behavior and emotional reactivity of female offspring. Physiol Behav 2012; 106:178-84. [PMID: 22342426 DOI: 10.1016/j.physbeh.2012.02.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2011] [Revised: 01/28/2012] [Accepted: 02/01/2012] [Indexed: 01/09/2023]
Abstract
Feed restriction during pregnancy can have detrimental effects on offspring development both during the juvenile period and during adult life. Long-term effects of maternal feed restriction during the last third of pregnancy on growth, metabolism and behavior of female kids, with a focus on feeding behavior and emotional reactivity, were studied in goats. Female kids born to control (CONT, n=17) or born to feed restricted goats (REST, n=15) were artificially reared and monitored from birth to 24 months of age. Maternal feeding restriction globally reduced live weight (P<0.001) and body condition score (P=0.02) of REST compared to CONT offspring. Females from the REST group had a higher daily feed intake (P=0.05) and tended to eat more rapidly (P=0.09) than females from the CONT group at 12 months of age. One year later, REST goats still ate more than CONT goats (P=0.05). Glucose metabolism did not appear to be modified as no differences were observed in glucose or insulin responses to an intravenous glucose tolerance test. No differences in time budget were found at 12 months of age. However, the HPA axis response to an ACTH injection was greater in REST than in CONT goats: higher peak cortisol concentration (P=0.02) and a greater area under the curve were found (P=0.01) at 14 months of age. In conclusion, maternal feed restriction during late pregnancy modified both feeding behavior and the stress physiology of female offspring for up to 2 years of age. However, the changes observed were small.
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Affiliation(s)
- Bérengère Laporte-Broux
- INRA, UMR 791 Modélisation Systémique Appliquée aux Ruminants, 16 rue Claude Bernard, F-75231 Paris, France.
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Serment A, Schmidely P, Giger-Reverdin S, Chapoutot P, Sauvant D. Effects of the percentage of concentrate on rumen fermentation, nutrient digestibility, plasma metabolites, and milk composition in mid-lactation goats. J Dairy Sci 2011; 94:3960-72. [PMID: 21787932 DOI: 10.3168/jds.2010-4041] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2010] [Accepted: 04/04/2011] [Indexed: 11/19/2022]
Abstract
The aim of this work was to study the effects of the dietary percentage of concentrate on patterns of intake, the evolution of rumen fermentation characteristics and plasma metabolites after a meal, nutrient digestibility, and milk production and composition in a medium-term trial in dairy goats. These effects have been well studied in dairy cattle but seldom in goats. Thirteen ruminally and duodenally cannulated dairy goats (95±4 d in milk) fed ad libitum were used in this study. Goats were assigned to 1 of 2 dietary treatments: high-concentrate (70% concentrate on dry matter basis) or a low-concentrate (35%) total mixed rations. The experiment was conducted over a period of 10 wk, including 3 wk of adaption to the diets. Patterns of intake, rumen fermentation characteristics, and plasma metabolites after a meal and fatty acids profile of milk fat were compared at the onset and at the end of the experiment. The increase in dietary percentage of concentrate decreased rumen pH, acetate to propionate ratio, ammonia-N concentration, and plasma urea concentration. The percentage of concentrate did not affect total volatile fatty acid concentrations. The high-concentrate diet increased the rate of intake during the morning meal at the onset of the experiment, whereas it decreased total dry matter intake and the rate of intake during the morning meal at the end of the experiment. The high-concentrate diet resulted in greater organic matter digestibility. Raw milk yield and protein yield were greater in goats fed the high-concentrate diet, whereas fat yield was not affected by dietary treatments. The milk fat content was lower in goats fed the high-concentrate diet. Proportions of the trans-C18:1 isomer relative to total fatty acids in milk were higher with the high-concentrate diet, but no modification of the proportion of total trans-C18:1 was detected, in particular no shift from trans-11 C18:1 to trans-10 C18:1 was observed. Further, the isomer trans-10,cis-12 C18:2 was not detected. Data from this study could be used for a new modeling approach or to improve existing models.
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Affiliation(s)
- A Serment
- AgroParisTech, UMR791 Modélisation Systémique Appliquée aux Ruminants, 16 rue Claude Bernard, F-75005 Paris, France.
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Desnoyers M, Giger-Reverdin S, Sauvant D, Duvaux-Ponter C. The use of a multivariate analysis to study between-goat variability in feeding behavior and associated rumen pH patterns. J Dairy Sci 2011; 94:842-52. [DOI: 10.3168/jds.2010-3461] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2010] [Accepted: 10/27/2010] [Indexed: 11/19/2022]
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Komara M, Giger-Reverdin S, Marnet PG, Roussel S, Duvaux-Ponter C. The combined effects of milking frequency and feeding level on dairy goat welfare and milk emission characteristics in late lactation. Appl Anim Behav Sci 2010. [DOI: 10.1016/j.applanim.2010.08.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Maaroufi C, Chapoutot P, Sauvant D, Giger-Reverdin S. Fractionation of pea flour with pilot scale sieving. II. In vitro fermentation of pea seed fractions of different particle sizes. Anim Feed Sci Technol 2009. [DOI: 10.1016/j.anifeedsci.2009.07.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Desnoyers M, Giger-Reverdin S, Duvaux-Ponter C, Sauvant D. Modeling of off-feed periods caused by subacute acidosis in intensive lactating ruminants: Application to goats. J Dairy Sci 2009; 92:3894-906. [DOI: 10.3168/jds.2008-1784] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Desnoyers M, Giger-Reverdin S, Bertin G, Duvaux-Ponter C, Sauvant D. Meta-analysis of the influence of Saccharomyces cerevisiae supplementation on ruminal parameters and milk production of ruminants. J Dairy Sci 2009; 92:1620-32. [PMID: 19307644 DOI: 10.3168/jds.2008-1414] [Citation(s) in RCA: 198] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- M Desnoyers
- Unite Mixté de Recherches, Institut National de la Recherche Agnonomique-AgroParisTech Physiologie de la Nutrition et Alimentation, 75231 Paris Cedex 05, France
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Landau S, Giger-Reverdin S, Rapetti L, Dvash L, Dorléans M, Ungar E. Data mining old digestibility trials for nutritional monitoring in confined goats with aids of fecal near infra-red spectrometry. Small Rumin Res 2008. [DOI: 10.1016/j.smallrumres.2008.03.010] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Giger-Reverdin S, Morand-Fehr P, Tran G. Literature survey of the influence of dietary fat composition on methane production in dairy cattle. ACTA ACUST UNITED AC 2003. [DOI: 10.1016/s0301-6226(03)00002-2] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Giger-Reverdin S, Aufrère J, Sauvant D, Demarquilly C, Vermorel M. Prediction of the energy values of compound feeds for ruminants. Anim Feed Sci Technol 1994. [DOI: 10.1016/0377-8401(94)90113-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Giger-Reverdin S, Vermorel M, Sauvant D. Facteurs de variation de la production de méthane au cours de la digestion des aliments composés chez les ruminants. ACTA ACUST UNITED AC 1992. [DOI: 10.1051/animres:19920116] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [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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Giger-Reverdin S, Sauvant D, Najar T, Rigault M. Diet influence on biological degradation in sacco of cell walls by ruminants. Anim Feed Sci Technol 1991. [DOI: 10.1016/0377-8401(91)90026-o] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Meuret M, Giger-Reverdin S. A comparison of two ways of expressing the voluntary intake of oak foliage-based diets by goats raised on rangelands. Reprod Nutr Dev 1990; Suppl 2:205s. [PMID: 2206333 DOI: 10.1051/rnd:19900836] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- M Meuret
- INRA-SAD, Unité d'Ecodéveloppement, Domaine Saint-Paul, Montfavet, France
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Najar T, Sauvant D, Poncet C, Giger-Reverdin S. Comparaison de différents modèles d'ajustement des courbes d'excrétion fécale des marqueurs du transit. ACTA ACUST UNITED AC 1990. [DOI: 10.1051/rnd:19900820] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [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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