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Lunesu MF, Atzori AS, Manca C, Bomboi GC, Decandia M, Ledda A, Cannas A. Effect of glucose infusion on glucose and insulin metabolism in early- and mid-lactation ewes and goats fed diets differing in starch and highly digestible fiber concentration. J Dairy Sci 2023; 106:9691-9703. [PMID: 37641297 DOI: 10.3168/jds.2023-23225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 05/23/2023] [Indexed: 08/31/2023]
Abstract
This study aimed to test possible metabolic differences between ewes and goats in response to an intravenous glucose infusion. Thirty-six animals, 18 mature Sarda dairy ewes and 18 mature Saanen goats (from 15 to 150 ± 11 d in milk [DIM], mean ± SD; body weight: 49.8 ± 6.8 kg for ewes, 60.6 ± 7.3 kg for goats) were compared simultaneously. In early lactation, both species received the same high-starch diet (HS: 20.4% starch, 35.4% neutral detergent fiber [NDF], on dry matter [DM] basis), whereas from 92 ± 11 DIM both species were randomly allocated to 2 dietary treatments: HS (20.0% starch, 36.7% NDF, on DM basis) and low-starch (LS: 7.8% starch, 48.8% NDF, on DM basis) diets. At 50 and 150 ± 11 DIM, ewes and goats were challenged with an intravenous glucose tolerance test and peripheral concentrations of glucose and insulin were determined 15 min before and 5, 10, 15, 30, 45, 90, and 180 min after glucose infusion. In early lactation, baseline plasma glucose and insulin concentrations tended to be higher in ewes than in goats (glucose: 55.8 vs. 42.9 ± 7.3 mg/dL; insulin: 0.13 vs. 0.05 ± 0.04 µg/L). After glucose infusion, glucose and insulin concentrations were higher in ewes than in goats (278.6 vs. 247.6 ± 13.1 mg/dL; 0.82 vs. 0.46 ± 0.12 µg/L). In mid-lactation, the dietary treatment (HS vs. LS) did not affect glucose and insulin metabolism. Baseline plasma glucose was numerically highest in ewes, while baseline insulin was higher in ewes than in goats (0.39 vs. 0.12 ± 0.099 µg/L). After glucose infusion, glucose concentration did not differ between ewes and goats, while insulin concentration was highest in ewes. Compared with goats, ewes showed in both periods a higher peak insulin, insulin increment, linear insulin area under the curve, insulin resistance index, and lower insulin sensitivity indices. In conclusion, despite the limitations associated with the use of intravenous glucose tolerance test to assess glucose regulation mechanisms, this study indicated large species differences in both early and mid-lactation and a more evident anabolic status in the ewes compared with the goats.
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Affiliation(s)
- Mondina F Lunesu
- Dipartimento di Agraria, University of Sassari, 07100 Sassari, Italy
| | - Alberto S Atzori
- Dipartimento di Agraria, University of Sassari, 07100 Sassari, Italy.
| | - Carla Manca
- Agris Sardegna, Loc. Bonassai, 07100 Sassari, Italy
| | - Giovanni C Bomboi
- Dipartimento di Medicina Veterinaria, University of Sassari, 07100 Sassari, Italy
| | | | - Antonello Ledda
- Dipartimento di Agraria, University of Sassari, 07100 Sassari, Italy
| | - Antonello Cannas
- Dipartimento di Agraria, University of Sassari, 07100 Sassari, Italy
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Zhang MQ, Heirbaut S, Jing XP, Stefańska B, Vandaele L, De Neve N, Fievez V. Transition cow clusters with distinctive antioxidant ability and their relation to performance and metabolic status in early lactation. J Dairy Sci 2023; 106:5723-5739. [PMID: 37331874 DOI: 10.3168/jds.2022-22865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 02/17/2023] [Indexed: 06/20/2023]
Abstract
Metabolic and oxidative stress have been characterized as risk factors during the transition period from pregnancy to lactation. Although mutual relations between both types of stress have been suggested, they rarely have been studied concomitantly. For this, a total of 99 individual transition dairy cows (117 cases, 18 cows sampled during 2 consecutive lactations) were included in this experiment. Blood samples were taken at -7, 3, 6, 9, and 21 d relative to calving and concentrations of metabolic parameters (glucose, β-hydroxybutyric acid (BHBA), nonesterified fatty acids, insulin, insulin-like growth factor 1, and fructosamine) were determined. In the blood samples of d 21, biochemical profiles related to liver function and parameters related to oxidative status were determined. First, cases were allocated to 2 different BHBA groups (ketotic vs. nonketotic, N:n = 20:33) consisting of animals with an average postpartum BHBA concentration and at least 2 out of 4 postpartum sampling points exceeding 1.2 mmol/L or remaining below 0.8 mmol/L, respectively. Second, oxidative parameters [proportion of oxidized glutathione to total glutathione in red blood cells (%)], activity of glutathione peroxidase, and of superoxide dismutase, concentrations of malondialdehyde and oxygen radical absorbance capacity were used to perform a fuzzy C-means clustering. From this, 2 groups were obtained [i.e., lower antioxidant ability (LAA80%, n = 31) and higher antioxidant ability (HAA80%, n = 19)], with 80% referring to the cutoff value for cluster membership. Increased concentrations of malondialdehyde, decreased superoxide dismutase activity, and impaired oxygen radical absorbance capacity were observed in the ketotic group compared with the nonketotic group, and inversely, the LAA80% group showed increased concentrations of BHBA. In addition, the concentration of aspartate transaminase was higher in the LAA80% group compared with the HAA80% group. Both the ketotic and LAA80% groups showed lower dry matter intake. However, a lower milk yield was observed in the LAA80% group but not in the ketotic group. Only 1 out of 19 (5.3%) and 3 out of 31 (9.7%) cases from the HAA80% and LAA80% clusters belong to the ketotic and nonketotic group, respectively. These findings suggested that dairy cows vary in oxidative status at the beginning of the lactation, and fuzzy C-means clustering allows to classify observations with distinctive oxidative status. Dairy cows with higher antioxidant capacity in early lactation rarely develop ketosis.
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Affiliation(s)
- M Q Zhang
- Laboratory for Animal Nutrition and Animal Product Quality, Department of Animal Sciences and Aquatic Ecology, Faculty of Bioscience Engineering, Ghent University, 9000 Gent, Belgium
| | - S Heirbaut
- Laboratory for Animal Nutrition and Animal Product Quality, Department of Animal Sciences and Aquatic Ecology, Faculty of Bioscience Engineering, Ghent University, 9000 Gent, Belgium
| | - X P Jing
- Laboratory for Animal Nutrition and Animal Product Quality, Department of Animal Sciences and Aquatic Ecology, Faculty of Bioscience Engineering, Ghent University, 9000 Gent, Belgium; State Key Laboratory of Grassland and Agro-Ecosystems, International Centre for Tibetan Plateau Ecosystem Management, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - B Stefańska
- Department of Grassland and Natural Landscape Sciences, Poznań University of Life Sciences, 60-632 Poznań, Poland
| | - L Vandaele
- Animal Sciences Unit, ILVO, 9090 Melle, Belgium
| | - N De Neve
- Laboratory for Animal Nutrition and Animal Product Quality, Department of Animal Sciences and Aquatic Ecology, Faculty of Bioscience Engineering, Ghent University, 9000 Gent, Belgium
| | - V Fievez
- Laboratory for Animal Nutrition and Animal Product Quality, Department of Animal Sciences and Aquatic Ecology, Faculty of Bioscience Engineering, Ghent University, 9000 Gent, Belgium.
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Hare KS, Penner GB, Steele MA, Wood KM. Oversupplying metabolizable protein during late gestation to beef cattle does not influence ante- or postpartum glucose-insulin kinetics but does affect prepartum insulin resistance indices and colostrum insulin content. J Anim Sci 2022; 100:6556069. [PMID: 35353892 PMCID: PMC9113283 DOI: 10.1093/jas/skac101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 03/28/2022] [Indexed: 11/13/2022] Open
Abstract
The objective of this study was to evaluate whether oversupplying metabolizable protein (MP) during late gestation influences glucose and insulin concentrations, and insulin resistance (IR) in late gestation and early lactation. Crossbred Hereford, first-lactation heifers were individually fed diets to supply 133% (HMP, n = 11) or 100% (CON, n = 10) of their predicted MP requirements for 55 ± 4 d (mean ± SD) prior to calving. All heifers received a common lactation ration formulated to meet postpartum requirements (103% MP and 126% ME). After feed was withheld for 12 h, cattle underwent an intravenous glucose tolerance test (IVGTT) on d -6.7 ± 0.9 and 14.3 ± 0.4 by infusing a 50% dextrose solution (1.36 g glucose/kg BW 0.75) through a jugular catheter with plasma collected at -10, 0 (immediately after infusion), 5, 10, 15, 20, 25, 30, 45, 60, 75, 90, and 120 min, respective to the infusion. Glucose and insulin concentrations were assessed. Insulin resistance indices (homeostasis model of insulin resistance [HOMA-IR], quantitative insulin sensitivity check index [QUICKI], revised quantitative insulin sensitivity check index [RQUICK], and RQUICKI incorporating serum beta-hydroxybutyrate concentrations [RQUICKIBHB]) were calculated from measurements of serum non-esterified fatty acids and beta-hydroxybutyrate and plasma glucose and insulin concentrations on d -34 ± 4, -15 ± 4, 7 ± 1, 28 ± 3, 70 ± 3, and 112 ± 3. Colostrum samples were collected within an hour of calving (prior to suckling) and analyzed for insulin concentration. Data were analyzed as a randomized block design using the PROC GLIMMIX of SAS, accounting for repeated measurements when necessary. Baseline (-10 min) plasma glucose and insulin concentrations were elevated (P ≤ 0.038) for HMP heifers during the antepartum IVGTT, but not (P ≥ 0.25) during the postpartum IVGTT. Plasma glucose and insulin concentrations throughout the antepartum or postpartum IVGTT did not differ (P ≥ 0.18) by prepartum treatment, nor did other glucose and insulin IVGTT parameters (i.e., max concentration and time to reach max concentration, nadir values, clearance rates and half-lives, area-under-the-curve, and insulin sensitivity index; P ≥ 0.20). Antepartum IVGTT IR indices indicated that HMP heifers were more (P ≤ 0.011) IR than their counterparts. Similarly, the prepartum HOMA-IR was greater (P = 0.033) for HMP heifers, suggesting increased IR. Postpartum IR indices did not (P ≥ 0.25) indicate that prepartum MP consumption impacted postpartum IR. Colostrum insulin concentration was increased (P = 0.004) by nearly 2-fold for HMP relative to CON heifers. These data demonstrate that prepartum MP overfeeding alters baseline glucose-insulin concentrations in late-pregnant beef heifers and increases colostrum insulin content without having carry-over effects on postpartum glucose-insulin concentrations and IR.
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Affiliation(s)
- Koryn S Hare
- Department of Animal Biosciences, Animal Science and Nutrition, Ontario Agricultural College University of Guelph, Guelph, ON, Canada
| | - Gregory B Penner
- Department of Animal and Poultry Science, College of Agriculture and Bioresources, University of Saskatchewan, Saskatoon, SK, Canada
| | - Michael A Steele
- Department of Animal Biosciences, Animal Science and Nutrition, Ontario Agricultural College University of Guelph, Guelph, ON, Canada
| | - Katharine M Wood
- Department of Animal Biosciences, Animal Science and Nutrition, Ontario Agricultural College University of Guelph, Guelph, ON, Canada
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Thammacharoen S, Semsirmboon S, Chanpongsang S, Chaiyabutr N, Panyasomboonying P, Khundamrongkul P, Puchongmart P, Wichachai W. Seasonal effect of milk yield and blood metabolites in relation to ketosis of dairy cows fed under a high ambient temperature. Vet World 2021; 14:2392-2396. [PMID: 34840459 PMCID: PMC8613786 DOI: 10.14202/vetworld.2021.2392-2396] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 08/04/2021] [Indexed: 12/04/2022] Open
Abstract
Background and Aim: Metabolism and environment are closely related. Under high ambient temperature (HTa), dairy cows may have different energy metabolism during summer and winter. The present study was carried out to investigate the effect of HTa on the milk yield and blood concentration of beta-hydroxybutyrate (BHBA) and glucose at the herd level. Materials and Methods: One large dairy farm in Thailand with more than 100 crossbred Holstein cows milked each month was selected. The first experiment was performed on non-lactating cows to determine the normal daily concentrations of blood BHBA and glucose. Under the HTa condition, there was no significant change in blood BHBA and glucose concentrations. The second experiment was performed using a prospective cohort clinical design to demonstrate the seasonal effect on milk yield and blood BHBA as an indication of energy metabolism at the herd level. Results: The temperature and humidity index for the winter (78.1±0.5) and summer (83.4±0.7) periods differ significantly. The average milk yield during the winter period was 17.8% higher than during the summer period. The reduction of body condition score (BCS) during early lactation was significant in the winter cows. Both higher milk yield and lower BCS in the winter cows suggested a state of negative energy balance. However, there was no difference in blood BHBA and glucose concentrations between winter and summer cows. The effect of HTa on insulin signaling appeared to be a counterbalancing factor for the ketogenic status. Based on the present results, it would be interesting to further investigate the incidence of subclinical and clinical ketosis in a dairy farm under tropical conditions. Conclusion: The present experiment revealed that HTa during summer decreased milk yield in dairy cows fed under tropical conditions. Higher milk yield in winter caused a greater reduction of BCS and suggested a greater negative energy balance. However, there was no seasonal effect on blood BHBA and glucose concentrations.
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Affiliation(s)
- Sumpun Thammacharoen
- Department of Physiology, Faculty of Veterinary Science, Chulalongkorn University, Pathumwan, Bangkok 10330, Thailand
| | - Sapon Semsirmboon
- Department of Physiology, Faculty of Veterinary Science, Chulalongkorn University, Pathumwan, Bangkok 10330, Thailand
| | - Somchai Chanpongsang
- Department of Animal Husbandry, Faculty of Veterinary Science, Chulalongkorn University, Pathumwan, Bangkok 10330, Thailand
| | - Narongsak Chaiyabutr
- Department of Physiology, Faculty of Veterinary Science, Chulalongkorn University, Pathumwan, Bangkok 10330, Thailand.,The Academy of Science, The Royal Society of Thailand, Dusit, Bangkok 10300, Thailand.,Queen Saovabha Memorial Institute, The Thai Red Cross Society, Bangkok 10330, Thailand
| | - Pawares Panyasomboonying
- Department of Physiology, Faculty of Veterinary Science, Chulalongkorn University, Pathumwan, Bangkok 10330, Thailand
| | - Paweenut Khundamrongkul
- Department of Physiology, Faculty of Veterinary Science, Chulalongkorn University, Pathumwan, Bangkok 10330, Thailand
| | - Peeravit Puchongmart
- Department of Physiology, Faculty of Veterinary Science, Chulalongkorn University, Pathumwan, Bangkok 10330, Thailand
| | - Worapruch Wichachai
- Department of Physiology, Faculty of Veterinary Science, Chulalongkorn University, Pathumwan, Bangkok 10330, Thailand
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Zamuner F, Cameron A, Leury B, DiGiacomo K. Comparison of measures of insulin sensitivity in early-lactation dairy goats. JDS COMMUNICATIONS 2021; 2:300-304. [PMID: 36338381 PMCID: PMC9623728 DOI: 10.3168/jdsc.2021-0095] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Accepted: 05/18/2021] [Indexed: 06/16/2023]
Abstract
This experiment aimed to investigate the correlations between surrogate indices of insulin resistance (IR)-namely, the homeostasis model of IR, the quantitative insulin sensitivity check index, and the revised quantitative insulin sensitivity check index-and measures of IR obtained from an intravenous glucose tolerance test (IVGTT) performed in early-lactation dairy goats. Saanen goats (n = 26) with varying levels of milk production (1.7-4.8 kg/d) were selected and underwent an IVGTT on 43 ± 0.7 d postpartum (mean ± standard deviation). Data from the IVGTT were fitted in the minimal model to calculate parameters of glucose-insulin dynamics such as insulin sensitivity index and acute insulin response to glucose. Surrogate indices were computed using the average of the IVGTT basal samples. Correlation analysis revealed no relationship between surrogate indices of IR and measures of IR derived from the IVGTT (e.g., insulin sensitivity index, glucose clearance rate, glucose area under the curve). Therefore, our results suggest that surrogate indices of IR are not suitable for assessing the insulin sensitivity of peripheral tissue in early-lactation goats.
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Affiliation(s)
- F. Zamuner
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - A.W.N. Cameron
- Meredith Dairy Pty Ltd., Meredith, Victoria 3333, Australia
| | - B.J. Leury
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - K. DiGiacomo
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, Victoria 3010, Australia
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McCabe CJ, Suarez-Trujillo A, Teeple KA, Casey TM, Boerman JP. Chronic prepartum light-dark phase shifts in cattle disrupt circadian clocks, decrease insulin sensitivity and mammary development, and are associated with lower milk yield through 60 days postpartum. J Dairy Sci 2020; 104:2422-2437. [PMID: 33309361 DOI: 10.3168/jds.2020-19250] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 09/17/2020] [Indexed: 01/04/2023]
Abstract
Circadian and metabolic systems are interlocked and reciprocally regulated. To determine if the circadian system regulates glucose homeostasis and mammary development, the function of the circadian system was disrupted by exposing cattle to chronic light-dark cycle phase shifts from 5 wk before expected calving (BEC) to parturition. Multiparous Holstein cows were exposed to 16 h of light and 8 h of dark (CON, n = 8) or phase shifting (PS, n = 8) the light cycle 6 h every 3 d beginning 35 d BEC. After calving, both treatments were exposed to CON lighting. Mammary biopsies were taken at 21 d BEC and 21 d in milk (DIM), and histological analysis indicated PS treatment decreased the ratio of lumen to alveolar area and percentage of proliferating epithelial cells in the prepartum period. Intravenous glucose tolerance test was performed at 14 d BEC and 7 DIM by administering 50% dextrose. Blood glucose, β-hydroxybutyrate, insulin, and nonesterified fatty acids were consequently measured over 3 h. At 14 d BEC no treatment differences were observed in baseline glucose or insulin. Treatment had no effect on blood glucose or glucose area under the curve at 14 d BEC and 7 DIM. Insulin area under the curve was higher in PS versus CON at 14 d BEC and 7 DIM. The PS cows produced less milk than CON cows through 60 DIM (40.3 vs. 42.6 kg/d). Exposure to chronic light-dark PS in late gestation decreased mammary development and increased insulin resistance in periparturient cows, which may have caused subsequent lower milk yield.
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Affiliation(s)
- C J McCabe
- Department of Animal Sciences, Purdue University, West Lafayette, IN 47907
| | - A Suarez-Trujillo
- Department of Animal Sciences, Purdue University, West Lafayette, IN 47907
| | - K A Teeple
- Department of Animal Sciences, Purdue University, West Lafayette, IN 47907
| | - T M Casey
- Department of Animal Sciences, Purdue University, West Lafayette, IN 47907.
| | - J P Boerman
- Department of Animal Sciences, Purdue University, West Lafayette, IN 47907.
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Yang J, Bi Y, Liang S, Gu Z, Cheng L, Li C, Li Z, Zhang Y, Hong Y. The in vivo digestibility study of banana flour with high content of resistant starch at different ripening stages. Food Funct 2020; 11:10945-10953. [PMID: 33245312 DOI: 10.1039/d0fo02494e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Resistant starch, a functional food ingredient, can improve the nutritional value of food products. In this study, the in vitro digestibility of starch from banana flour at four ripening stages was evaluated. The result showed that the resistant starch content of banana flour at ripening stage 1 was up to 81%. Furthermore, to explore the effect of resistant starch in the body, the in vivo digestibility of banana flour was investigated. The intake of banana flour at ripening stage 1 resulted in a nearly 70% decrease in the homeostasis model assessment of insulin resistance value, compared to that of the model group. By contrast, the genes related to glucokinase were upregulated by 66%, and the expression level of the insulin receptor gene was increased by more than 1.5 times that of the model group. Thus, natural banana flour has potential for controlling type 2 diabetes mellitus.
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Affiliation(s)
- Jie Yang
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu Province, China
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Lunesu MF, Ledda A, Correddu F, Fancello F, Marzano A, Mossa F, Nudda A, Cannas A, Atzori AS. Prenatal exposure to different diets influences programming of glucose and insulin metabolism in dairy ewes. J Dairy Sci 2020; 103:8853-8863. [PMID: 32747113 DOI: 10.3168/jds.2020-18342] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 05/15/2020] [Indexed: 12/20/2022]
Abstract
Nutrition in fetal and postnatal life can influence the development of several biological systems, with permanent effects in adult life. The aim of this work was to investigate in dairy sheep whether diets rich in starch or fiber during intrauterine life (75 d before lambing) and postnatal life (from weaning to first pregnancy; growth phase) program glucose and insulin metabolism in the female offspring during their first pregnancy. Starting from intrauterine life, 20 nulliparous Sarda ewes were exposed to 4 dietary regimens (n = 5 per group) based on different dietary carbohydrates during their intrauterine life and their subsequent growth phase: (1) the fiber (FI) diet during both intrauterine and growth life, (2) the starch (ST) diet during both intrauterine and growth life, (3) the FI diet in intrauterine life followed by the ST diet in the growth phase, and (4) the ST diet in intrauterine life followed by the FI diet in the growth phase. After the end of the growth phase, all growing ewes were fed the same diet and naturally mated. When ewes were pregnant, on average at 124 ± 2 d of gestation they were challenged with an intravenous glucose tolerance test, and peripheral concentrations of glucose and insulin were determined. Basal insulin concentrations were higher in ewes exposed to the ST diet (0.97 μg/L) than in ewes exposed to the FI diet (0.52 μg/L) in intrauterine life. After glucose infusion, glucose and insulin concentrations were not affected by intrauterine diet. Insulin resistance, determined by the homeostasis model assessment, was affected by the intrauterine × growth phases interaction. Insulin sensitivity, assessed by the quantitative insulin check index, was lower in ewes exposed to the ST diet than in those exposed to the FI diet in intrauterine life (ST = 0.28; FI = 0.30). Diet in growth life had no effect on glucose and insulin metabolism. In conclusion, starchy diets offered during intrauterine life but not during postnatal life increased basal insulin level and lowered insulin sensitivity during the first pregnancy. Nutritional strategies of metabolic programming should consider that exposure to starchy diets in late fetal life might favor the programming of dietary nutrient partitioning toward organs with high requirements, such as the gravid uterus or the mammary gland.
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Affiliation(s)
- M F Lunesu
- Dipartimento di Agraria, University of Sassari, 07100 Sassari, Italy
| | - A Ledda
- Dipartimento di Agraria, University of Sassari, 07100 Sassari, Italy
| | - F Correddu
- Dipartimento di Agraria, University of Sassari, 07100 Sassari, Italy
| | - F Fancello
- Dipartimento di Agraria, University of Sassari, 07100 Sassari, Italy
| | - A Marzano
- Dipartimento di Agraria, University of Sassari, 07100 Sassari, Italy
| | - F Mossa
- Dipartimento di Medicina Veterinaria, University of Sassari, 07100 Sassari, Italy
| | - A Nudda
- Dipartimento di Agraria, University of Sassari, 07100 Sassari, Italy
| | - A Cannas
- Dipartimento di Agraria, University of Sassari, 07100 Sassari, Italy
| | - A S Atzori
- Dipartimento di Agraria, University of Sassari, 07100 Sassari, Italy.
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Growth of the conceptus from days 33 to 45 of pregnancy is similar for heifers and lactating cows and not associated with circulating glucose, insulin, IGF1 or progesterone concentrations. Anim Reprod Sci 2020; 216:106463. [PMID: 32414466 DOI: 10.1016/j.anireprosci.2020.106463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 04/08/2020] [Accepted: 04/09/2020] [Indexed: 11/22/2022]
Abstract
Less than optimal circulating progesterone as well as glucose, insulin, and IGF1 concentrations in lactating cows may contribute to embryonic loss if placental development is dependent on concentrations of these hormones. There was comparison of fetal growth in lactating dairy cows with a contemporary group of nulliparous heifers (negative control for lactation). There was also assessment of the association between conceptus development and circulating hormone and metabolite concentrations and the response to an intravenous glucose administration. The embryo and amniotic vesicle were measured every 2-3 days during a 2-week period (days 33-45 of pregnancy). Blood samples were collected at the time of ultrasonography and analyzed for glucose, insulin, IGF1, and progesterone. There was also an intravenous glucose administration. Lactating cows had lesser blood concentrations of glucose, progesterone, and IGF1 during pregnancy. With respect to glucose administration, cows had lesser insulin and glucose than heifers at time 0 but heifers released three-fold more insulin than cows in response to glucose infusion. Cows had slightly larger fetuses when compared with heifers. When included in the model for embryo or amniotic vesicle length or area, concentrations of circulating glucose, insulin, IGF1, or progesterone did not explain a large amount of variation in values for these variables (P > 0.10). The conclusion was that cows differed from heifers for fetal growth but concentrations of circulating metabolites were not associated with size of the fetus. There was no evidence for an association between the hormonal or metabolic milieu and conceptus development.
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Salin S, Vanhatalo A, Jaakkola S, Elo K, Taponen J, Boston R, Kokkonen T. Effects of dry period energy intake on insulin resistance, metabolic adaptation, and production responses in transition dairy cows on grass silage–based diets. J Dairy Sci 2018; 101:11364-11383. [DOI: 10.3168/jds.2018-14728] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Accepted: 08/13/2018] [Indexed: 12/16/2022]
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Jaakson H, Karis P, Ling K, Ilves-Luht A, Samarütel J, Henno M, Jõudu I, Waldmann A, Reimann E, Pärn P, Bruckmaier RM, Gross JJ, Kaart T, Kass M, Ots M. Adipose tissue insulin receptor and glucose transporter 4 expression, and blood glucose and insulin responses during glucose tolerance tests in transition Holstein cows with different body condition. J Dairy Sci 2017; 101:752-766. [PMID: 29102144 DOI: 10.3168/jds.2017-12877] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Accepted: 08/31/2017] [Indexed: 12/30/2022]
Abstract
Glucose uptake in tissues is mediated by insulin receptor (INSR) and glucose transporter 4 (GLUT4). The aim of this study was to examine the effect of body condition during the dry period on adipose tissue mRNA and protein expression of INSR and GLUT4, and on the dynamics of glucose and insulin following the i.v. glucose tolerance test in Holstein cows 21 d before (d -21) and after (d 21) calving. Cows were grouped as body condition score (BCS) ≤3.0 (thin, T; n = 14), BCS = 3.25 to 3.5 (optimal, O; n = 14), and BCS ≥3.75 (overconditioned, OC; n = 14). Blood was analyzed for glucose, insulin, fatty acids, and β-hydroxybutyrate concentrations. Adipose tissue was analyzed for INSR and GLUT4 mRNA and protein concentrations. During the glucose tolerance test 0.15 g/kg of body weight glucose was infused; blood was collected at -5, 5, 10, 20, 30, 40, 50, and 60 min, and analyzed for glucose and insulin. On d -21 the area under the curve (AUC) of glucose was smallest in group T (1,512 ± 33.9 mg/dL × min) and largest in group OC (1,783 ± 33.9 mg/dL × min), and different between all groups. Basal insulin on d -21 was lowest in group T (13.9 ± 2.32 µU/mL), which was different from group OC (24.9 ± 2.32 µU/mL. On d -21 the smallest AUC 5-60 of insulin in group T (5,308 ± 1,214 µU/mL × min) differed from the largest AUC in group OC (10,867 ± 1,215 µU/mL × min). Time to reach basal concentration of insulin in group OC (113 ± 14.1 min) was longer compared with group T (45 ± 14.1). The INSR mRNA abundance on d 21 was higher compared with d -21 in groups T (d -21: 3.3 ± 0.44; d 21: 5.9 ± 0.44) and O (d -21: 3.7 ± 0.45; d 21: 4.7 ± 0.45). The extent of INSR protein expression on d -21 was highest in group T (7.3 ± 0.74 ng/mL), differing from group O (4.6 ± 0.73 ng/mL), which had the lowest expression. The amount of GLUT4 protein on d -21 was lowest in group OC (1.2 ± 0.14 ng/mL), different from group O (1.8 ± 0.14 ng/mL), which had the highest amount, and from group T (1.5 ± 0.14 ng/mL). From d -21 to 21, a decrease occurred in the GLUT4 protein levels in both groups T (d -21: 1.5 ± 0.14 ng/mL; d 21: 0.8 ± 0.14 ng/mL) and O (d -21: 1.8 ± 0.14 ng/mL; d 21: 0.8 ± 0.14 ng/mL). These results demonstrate that in obese cows adipose tissue insulin resistance develops prepartum and is related to reduced GLUT4 protein synthesis. Regarding glucose metabolism, body condition did not affect adipose tissue insulin resistance postpartum.
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Affiliation(s)
- H Jaakson
- Department of Animal Nutrition, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Kreutzwaldi Str. 46, 51006 Tartu, Estonia.
| | - P Karis
- Department of Animal Nutrition, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Kreutzwaldi Str. 46, 51006 Tartu, Estonia
| | - K Ling
- Department of Animal Nutrition, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Kreutzwaldi Str. 46, 51006 Tartu, Estonia
| | - A Ilves-Luht
- Department of Animal Nutrition, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Kreutzwaldi Str. 46, 51006 Tartu, Estonia
| | - J Samarütel
- Department of Animal Nutrition, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Kreutzwaldi Str. 46, 51006 Tartu, Estonia
| | - M Henno
- Department of Animal Nutrition, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Kreutzwaldi Str. 46, 51006 Tartu, Estonia
| | - I Jõudu
- Department of Animal Nutrition, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Kreutzwaldi Str. 46, 51006 Tartu, Estonia
| | - A Waldmann
- Department of Reproductive Biology, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Kreutzwaldi Str. 62, 51014 Tartu, Estonia
| | - E Reimann
- Department of Reproductive Biology, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Kreutzwaldi Str. 62, 51014 Tartu, Estonia; Department of Pathophysiology, Institute of Biomedicine and Translational Medicine, University of Tartu, Ravila Str. 19, 50411 Tartu, Estonia
| | - P Pärn
- Department of Reproductive Biology, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Kreutzwaldi Str. 62, 51014 Tartu, Estonia
| | - R M Bruckmaier
- Veterinary Physiology, Vetsuisse Faculty, University of Bern, Bremgartenstr. 109a, CH-3001 Bern, Switzerland
| | - J J Gross
- Veterinary Physiology, Vetsuisse Faculty, University of Bern, Bremgartenstr. 109a, CH-3001 Bern, Switzerland
| | - T Kaart
- Department of Animal Genetics and Breeding, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Kreutzwaldi Str. 46, 51006 Tartu, Estonia
| | - M Kass
- Department of Animal Nutrition, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Kreutzwaldi Str. 46, 51006 Tartu, Estonia
| | - M Ots
- Department of Animal Nutrition, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Kreutzwaldi Str. 46, 51006 Tartu, Estonia
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Alves-Nores V, Castillo C, Hernandez J, Abuelo A. Comparison of surrogate indices for insulin sensitivity with parameters of the intravenous glucose tolerance test in early lactation dairy cattle. Domest Anim Endocrinol 2017; 61:48-53. [PMID: 28689101 DOI: 10.1016/j.domaniend.2017.06.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Revised: 06/05/2017] [Accepted: 06/07/2017] [Indexed: 11/27/2022]
Abstract
The aim of this study was to investigate the correlation between different surrogate indices and parameters of the intravenous glucose tolerance test (IVGTT) in dairy cows at the start of their lactation. Ten dairy cows underwent IVGTT on Days 3 to 7 after calving. Areas under the curve during the 90 min after infusion, peak and nadir concentrations, elimination rates, and times to reach half-maximal and basal concentrations for glucose, insulin, nonesterified fatty acids, and β-hydroxybutyrate were calculated. Surrogate indices were computed using the average of the IVGTT basal samples, and their correlation with the IVGTT parameters studied through the Spearman's rank test. No statistically significant or strong correlation coefficients (P > 0.05; |ρ| < 0.50) were observed between the insulin sensitivity measures derived from the IVGTT and any of the surrogate indices. Therefore, these results support that the assessment of insulin sensitivity in early lactation cattle cannot rely on the calculation of surrogate indices in just a blood sample, and the more laborious tests (ie, hyperinsulinemic euglycemic clamp test or IVGTT) should be employed to predict the sensitivity of the peripheral tissues to insulin accurately.
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Affiliation(s)
- V Alves-Nores
- Department of Animal Pathology, Faculty of Veterinary Science, Universidade de Santiago de Compostela, Campus Universitario s/n, 27002 Lugo, Spain; Graham Centre for Agricultural Innovation (Charles Sturt University and NSW Department of Primary Industries), Albert Pugsley Place, Wagga Wagga, NSW 2650, Australia
| | - C Castillo
- Department of Animal Pathology, Faculty of Veterinary Science, Universidade de Santiago de Compostela, Campus Universitario s/n, 27002 Lugo, Spain
| | - J Hernandez
- Department of Animal Pathology, Faculty of Veterinary Science, Universidade de Santiago de Compostela, Campus Universitario s/n, 27002 Lugo, Spain
| | - A Abuelo
- Graham Centre for Agricultural Innovation (Charles Sturt University and NSW Department of Primary Industries), Albert Pugsley Place, Wagga Wagga, NSW 2650, Australia; School of Animal and Veterinary Sciences, Faculty of Science, Charles Sturt University, Boorooma Street, Wagga Wagga, NSW 2678, Australia.
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13
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González-Grajales LA, Pieper L, Kremer J, Staufenbiel R. Influence of food deprivation on intravenous glucose tolerance test traits in Holstein Friesian heifers. J Dairy Sci 2017; 100:7710-7719. [DOI: 10.3168/jds.2016-12133] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Accepted: 05/11/2017] [Indexed: 12/15/2022]
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