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Jorge-Smeding E, Carriquiry M, Casal A, Armand-Ugon D, Mastrogiovanni M, Trotschansky A, Mendoza A, Astessiano AL. Energy, protein and redox metabolism underlying adaptive responses in New Zealand versus North American Holstein cows in pasture-based dairy systems. J Anim Physiol Anim Nutr (Berl) 2022; 107:754-768. [PMID: 36028944 DOI: 10.1111/jpn.13766] [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: 11/22/2021] [Revised: 06/19/2022] [Accepted: 08/10/2022] [Indexed: 10/15/2022]
Abstract
This study explored the metabolic adaptions to grazing conditions of two Holstein genetic strains (GS; North American, NAH; New Zealand, NZH) in two feeding strategies (FS; restricted, P30, vs. maximised, PMAX, grazing). Four groups (NAH-P30, NZH-P30, NAH-PMAX and NZH-PMAX; n = 10 cows each) were compared between -45 and 180 days in milk (DIM). NZH cows had lower (p = 0.02) fat and protein corrected milk (FPCM) yield and a tendency for lower (p = 0.09) body condition score concomitantly with a trend (p < 0.07) for higher average plasma insulin and lower (p = 0.01) 3-methylhistidine (3MH) at -45 DIM than NAH. Plasma glucose tended to be affected by the triple interaction GS × FS × DIM (p = 0.06) as it was similar between NAH-P30 and NZH-P30, but higher (p ≤ 0.02) for NZH-PMAX than NAH-PMAX except at 21 DIM. The physiological imbalance index was affected by the GS × FS interaction (p < 0.01) as it was lower (p < 0.01) only for NZH-PMAX versus NAH-PMAX. NZH cows had higher (p = 0.01) plasma thiobarbituric acid reactive substances at -45 DIM and tended to have higher protein carbonyls (p = 0.10) and superoxide dismutase (SOD) activity (p = 0.06) on average, and had higher (p < 0.01) α-tocopherol during mid-lactation than NAH Regarding the FS, FPCM was similar (p = 0.12) among them, but PMAX cows had higher (p < 0.01) plasma non-esterified fatty acids and 3MH, and lower insulin (p < 0.01) than P30 at 100 DIM. PMAX cows showed higher average SOD activity (p = 0.01) and plasma α-tocopherol at 100 and 180 DIM (p < 0.01). Under grazing, NZH cows can have a better energy status and lower muscle mobilisation but a higher redox reactivity. Maximising grazing can worsen energy status and muscle mobilisation while improving antioxidant response with no effect on FPCM.
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Affiliation(s)
- Ezequiel Jorge-Smeding
- Departamento de Producción Animal y Pasturas, Facultad de Agronomía, Universidad de la República, Montevideo, Uruguay
| | - Mariana Carriquiry
- Departamento de Producción Animal y Pasturas, Facultad de Agronomía, Universidad de la República, Montevideo, Uruguay
| | - Alberto Casal
- Departamento de Producción Animal y Pasturas, Estación Experimental Mario A. Cassinoni, Facultad de Agronomía, Universidad de la República, Paysandú, Uruguay
| | - Diego Armand-Ugon
- Programa de Producción de Leche, Instituto Nacional de Investigación Agropecuaria, Colonia, Uruguay
| | - Mauricio Mastrogiovanni
- Departamento de Bioquímica y Centro de Investigaciones Biomédicas (CEINBIO), Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
| | - Andrés Trotschansky
- Departamento de Bioquímica y Centro de Investigaciones Biomédicas (CEINBIO), Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
| | - Alejandro Mendoza
- Programa de Producción de Leche, Instituto Nacional de Investigación Agropecuaria, Colonia, Uruguay
| | - Ana L Astessiano
- Departamento de Producción Animal y Pasturas, Facultad de Agronomía, Universidad de la República, Montevideo, Uruguay
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Rey-Cadilhac L, Cariou R, Ferlay A, Jondreville C, Delavaud C, Faulconnier Y, Alcouffe S, Faure P, Marchand P, Le Bizec B, Jurjanz S, Lerch S. Undernutrition combined with dietary mineral oil hastens depuration of stored dioxin and polychlorinated biphenyls in ewes. 1. Kinetics in blood, adipose tissue and faeces. PLoS One 2020; 15:e0230629. [PMID: 32231376 PMCID: PMC7108735 DOI: 10.1371/journal.pone.0230629] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Accepted: 03/04/2020] [Indexed: 11/29/2022] Open
Abstract
Food safety crises involving persistent organic pollutants [POPs, e.g. dioxins, polychlorinated biphenyls (PCBs), organochlorine pesticides] lead to systematic slaughter of livestock to prevent their entry into the food chain. Therefore, there is a need to develop strategies to depurate livestock moderately contaminated with POPs in order to reduce such economic and social damages. This study aimed to test a POPs depuration strategy based on undernutrition (37% of energy requirements) combined with mineral oil (10% in total dry matter intake) in nine non-lactating ewes contaminated with 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) and PCBs 126 and 153. In order to better understand the underlying mechanisms of the depuration process, POPs kinetics and body lipids dynamics were followed concomitantly over 57-day of depuration in POPs storage (adipose tissue, AT), central distribution (blood) and excretion (faeces) compartments. Faecal POPs concentrations in underfed and mineral oil supplemented ewes increased by 2.0 to 2.6-fold, but not proportionally to lipids concentration which increased by 6-fold, compared to the control ewes. Nonetheless, after 57 days of depuration in undernutrition and mineral oil supplementation, AT POPs concentrations were 1.5 to 1.6-fold higher while serum concentrations remained unchanged compared to the control ewes. This was concomitant with a decrease by 2.7-fold of the AT estimated lipids weight along the depuration period. This reduction of the volume of the storage compartment combined with the increase of POPs faecal excretion in underfed and mineral oil supplemented ewes led to a reduction by 1.5-fold of the PCB 126 AT burden, while no changes were observed for TCDD and PCB 153 burdens (vs. no change for PCB 126 and increases for TCDD and PCB 153 AT burdens in control ewes). The original approach of this study combining the fine description at once of POPs kinetic and of body lipids dynamic improved our understanding of POPs fate in the ruminant.
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Affiliation(s)
- Lucille Rey-Cadilhac
- UR AFPA, Université de Lorraine, INRAE, Nancy, France
- UMR Herbivores, Université Clermont Auvergne, INRAE, VetAgro Sup, Saint-Genès-Champanelle, France
| | | | - Anne Ferlay
- UMR Herbivores, Université Clermont Auvergne, INRAE, VetAgro Sup, Saint-Genès-Champanelle, France
| | | | - Carole Delavaud
- UMR Herbivores, Université Clermont Auvergne, INRAE, VetAgro Sup, Saint-Genès-Champanelle, France
| | - Yannick Faulconnier
- UMR Herbivores, Université Clermont Auvergne, INRAE, VetAgro Sup, Saint-Genès-Champanelle, France
| | | | - Pascal Faure
- UE Herbipôle, INRAE, Saint-Genès-Champanelle, France
| | | | | | | | - Sylvain Lerch
- UR AFPA, Université de Lorraine, INRAE, Nancy, France
- Ruminant Research Unit, Agroscope, Posieux, Switzerland
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3
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B. B, Mehrotra S, Veligatla T, Jena D, Ramamoorthy M, Gopi M, Maurya VP, Singh G, Kumar H, Narayanan K. Effect of high-energy diet supplemented with additional copper and zinc during the transition period on oxidative stress and postpartum reproductive performance in the crossbred cows. BIOL RHYTHM RES 2019. [DOI: 10.1080/09291016.2019.1628399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Balamurugan B.
- Division of Animal Reproduction, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Sanjeev Mehrotra
- Division of Animal Reproduction, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Tejaswai Veligatla
- Division of Physiology and Climatology, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Dayanidhi Jena
- Division of Animal Reproduction, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Muthu Ramamoorthy
- Division of Animal Reproduction, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Marappan Gopi
- Division of Avian Physiology and Reproduction, ICAR-Central Avian Research Institute, Bareilly, India
| | - Vijai Prakash Maurya
- Division of Physiology and Climatology, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Gyanendra Singh
- Division of Physiology and Climatology, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Harendra Kumar
- Division of Animal Reproduction, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Krishnaswamy Narayanan
- Division of Animal Reproduction, ICAR-Indian Veterinary Research Institute, Bareilly, India
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4
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Meta-analysis of the relationships between reproduction, milk yield and body condition score in dairy cows. Livest Sci 2018. [DOI: 10.1016/j.livsci.2018.01.017] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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5
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Khatti A, Mehrotra S, Patel PK, Singh G, Maurya VP, Mahla AS, Chaudhari RK, Das GK, Singh M, Sarkar M, Kumar H, Krishnaswamy N. Supplementation of vitamin E, selenium and increased energy allowance mitigates the transition stress and improves postpartum reproductive performance in the crossbred cow. Theriogenology 2017; 104:142-148. [DOI: 10.1016/j.theriogenology.2017.08.014] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Revised: 08/05/2017] [Accepted: 08/10/2017] [Indexed: 12/26/2022]
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6
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Lopéz-Cedillo ZB, Rosales-Torres AM, Mendoza GD, Heuze Y, Ávila-Espítia AE, Guzmán A. Short-term methionine supplementation during the early post-partum period in primiparous rabbits improves prolificacy associated with an increase in serum concentrations of IGF-I. J Anim Physiol Anim Nutr (Berl) 2016; 101:e394-e403. [PMID: 27747966 DOI: 10.1111/jpn.12619] [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: 04/19/2016] [Accepted: 09/12/2016] [Indexed: 01/10/2023]
Abstract
The aim of this study was to evaluate the effects of methionine supplementation on energy metabolism and reproductive performance during the early post-partum period in primiparous does. Forty nulliparous New Zealand White does were used. Females were randomized in two groups at calving: the control group (n = 20) was fed with the basal diet, and the methionine group (n = 20) was fed the basal diet plus 1 g/animal/day of methionine from the day of calving to 4 days post-partum. Results showed that methionine supplementation increased (p = 0.032) the concentration of insulin-like growth factor-1 with respect to control group 4 days post-partum. It similarly increased the prolificacy (p = 0.03), the number of kits born alive per litter (p = 0.06) and the body gain weight of the litter during supplementation (p = 0.035). These results were observed despite the does in the methionine group having a deeper negative energy balance than the does in the control group. Finally, methionine supplementation did not affect receptivity (p = 0.23), fertility (p = 0.49), the number of kits born dead per litter (p = 0.86) insulin and metabolites as glucose, non-esterified fatty acids and triglycerides. In conclusion, our results show that methionine supplementation during the first 4 days of the post-partum period in rabbits increases total litter size and the corporal weight of kits and is associated with an increase in blood concentration of IGF-1.
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Affiliation(s)
- Z B Lopéz-Cedillo
- Universidad Autónoma Metropolitana-Xochimilco, Ciudad de México, México
| | | | - G D Mendoza
- Universidad Autónoma Metropolitana-Xochimilco, Ciudad de México, México
| | - Y Heuze
- Universidad Autónoma Metropolitana-Xochimilco, Ciudad de México, México
| | - A E Ávila-Espítia
- Universidad Autónoma Metropolitana-Xochimilco, Ciudad de México, México
| | - A Guzmán
- Universidad Autónoma Metropolitana-Xochimilco, Ciudad de México, México
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7
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Kawashima C, Ito N, Nagashima S, Matsui M, Sawada K, Schweigert FJ, Miyamoto A, Kida K. Influence of hepatic load from far-off dry period to early postpartum period on the first postpartum ovulation and accompanying subsequent fertility in dairy cows. J Reprod Dev 2016; 62:289-95. [PMID: 26935323 PMCID: PMC4919293 DOI: 10.1262/jrd.2015-141] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
The aim of the present study was to investigate nutritional and metabolic parameters during the dry and
early postpartum periods of ovulatory and anovulatory cows, as well as their postpartum reproductive
performance. Blood samples from 20 multiparous Holstein cows were collected once a week from the far-off dry
period to 3 weeks postpartum. Early postpartum (0–3 weeks) ovulation was confirmed using plasma progesterone
concentration profiles, and cows were considered ovulatory if they had resumed luteal activity by this point
(n = 9), whereas cows that had not were considered anovulatory (n = 11). Data from the ovulatory and
anovulatory cows were analyzed separately for the far-off dry period (7–4 weeks prepartum), the close-up dry
period (3–1 weeks prepartum), and the early postpartum period (0–3 weeks). Serum gamma-glutamyl transpeptidase
activity (far-off, P = 0.065; close-up, P = 0.051; and early postpartum, P = 0.030) and aspartate
aminotransferase (close-up, P = 0.050 and early postpartum, P = 0.087) activities were higher in anovulatory
than in ovulatory cows. The days open period was longer (P = 0.019) in anovulatory than in ovulatory cows, and
the number of artificial inseminations per conception (P = 0.025) was greater. In conclusion, we found that
continuously high gamma-glutamyl transpeptidase activities in serum, which may be induced by liver disorders,
prevent subsequent ovulation and affect subsequent fertility, even if cows obtain sufficient ovulation-related
energy and β-carotene.
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Affiliation(s)
- Chiho Kawashima
- Field Center of Animal Science and Agriculture, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido 080-8555, Japan
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8
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Kawashima C, Karaki C, Munakata M, Matsui M, Shimizu T, Miyamoto A, Kida K. Association of rumen fill score and energy status during the close-up dry period with conception at first artificial insemination in dairy cows. Anim Sci J 2016; 87:1218-1224. [PMID: 26804984 DOI: 10.1111/asj.12555] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2015] [Revised: 06/02/2015] [Accepted: 08/26/2015] [Indexed: 11/26/2022]
Abstract
Recent studies have shown significant associations between prepartum energy status and postpartum fertility in dairy cows; therefore, the assessment of energy status by blood metabolites and metabolic hormones and suitable improvement of management during the prepartum period may enhance reproductive performance. Rumen fill score (RFS) is associated with feed intake; however, it is unknown whether RFS is also related to blood parameters. Therefore, this study investigated the relationship between RFS and energy status during the prepartum period, and their associations with conception at first artificial insemination (AI) after parturition. In 42 multiparous Holstein cows, RFS assessment and blood sampling were carried out twice a week during 3 weeks of the peripartum period. Ovarian cycles until AI were evaluated by measuring milk progesterone levels. Before calving, positive correlations were observed between RFS and total cholesterol, and RFS did not change in pregnant cows at first AI after parturition, whereas in non-pregnant cows, RFS decreased gradually as the calving day approached. After calving, non-pregnant cows showed lower energy status compared with pregnant cows, and some non-pregnant cows showed anovulation and cessation of estrous cycle. In conclusion, RFS during the close-up dry period is related to real-time energy status, and is associated with postpartum energy status and conception at first AI in dairy cows. © 2016 Japanese Society of Animal Science.
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Affiliation(s)
- Chiho Kawashima
- Field Center of Animal Science and Agriculture, Obihiro, Hokkaido, Japan.
| | - Chihiro Karaki
- Field Center of Animal Science and Agriculture, Obihiro, Hokkaido, Japan
| | - Megumi Munakata
- Field Center of Animal Science and Agriculture, Obihiro, Hokkaido, Japan
| | - Motozumi Matsui
- Department of Applied Veterinary Medicine, Obihiro, Hokkaido, Japan
| | - Takashi Shimizu
- Graduate School of Animal and Food Hygiene, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan
| | - Akio Miyamoto
- Graduate School of Animal and Food Hygiene, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan
| | - Katsuya Kida
- Field Center of Animal Science and Agriculture, Obihiro, Hokkaido, Japan
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9
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Quintans G, Scarsi A, Roig G, Carriquiry M, Banchero G. Influence of a short-term prepartum supplementation on beef cows and calves’ performance in pastoral conditions. ANIMAL PRODUCTION SCIENCE 2016. [DOI: 10.1071/an15082] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Multiparous Aberdeen Angus × Hereford crossbred cows were used to evaluate the effect of supplementation during the last month of gestation on milk production and composition and cow and calf performance. Cows were assigned randomly to supplement (SUP; n = 18) or Control (CON; n = 17) treatments. Supplemented cows were offered (1 kg/100 kg bodyweight) a mix of sorghum grain and protein concentrated (67 : 33 as-fed basis; 16% crude protein, 11% acid detergent fibre) from (mean ± s.e.m.) 33 ± 1.4 days prepartum until calving. Before, during, and after the supplementation period, cows grazed together a native pasture paddock with average forage mass available of 1345 kg/ha of dry matter (10.4% crude protein, 45.2% acid detergent fibre). Cows were blood sampled weekly from –42 to 112 days postpartum (DPP) for serum progesterone and non-esterified fatty acids (NEFA) concentrations. Maximum follicle diameter was measured by ovarian ultrasound examination at 60 DPP. The breeding period lasted 60 days and started at 60 ± 1.4 DPP. There was an interaction between treatment and time on BCS (P < 0.0005). Before calving there were no differences in BCS between cows in SUP and in CON, but at calving SUP cows tended (P = 0.10) to present greater BCS and from calving to 84 DPP BCS was greater (P < 0.05) in SUP with respect to CON cows. There was an interaction between treatment and time on plasma NEFA concentrations (P < 0.0005). During the last month of gestation NEFA concentrations were reduced in SUP cows but there were no differences between treatments during the postpartum period. Milk production decreased linearly from 30 to 150 DPP but there was no effect of treatment on it. Calf bodyweight at birth and at weaning did not differ between treatments (37.5 ± 2.4 and 175.6 ± 2.4 kg, respectively). The probability of cows presenting follicles with diameter ≥10 mm was greater (P < 0.05) in SUP than CON cows. The length of the postpartum period did not differ between treatments. The probability of cows cycling during the first 90 DPP and pregnancy rate tended (P = 0.08) to be greater in SUP than in CON cows. Supplementation in winter and for only 30 days in the last month of gestation of beef cows under grazing conditions, increased cows’ BCS without increasing BW of calves, and tended to improve reproductive performance.
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Meikle A, Adrien MDL, Mattiauda DA, Chilibroste P. Effect of sward condition on metabolic endocrinology during the early postpartum period in primiparous grazing dairy cows and its association with productive and reproductive performance. Anim Feed Sci Technol 2013. [DOI: 10.1016/j.anifeedsci.2013.10.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Garduza-Arias G, Garcia-Bojalil C, Mendoza G, Sánchez-Torres M, Suárez M, Guzmán A. Effect of supplementation with rumen undegradable protein on milk production and ovarian activity in double purpose cows. JOURNAL OF APPLIED ANIMAL RESEARCH 2013. [DOI: 10.1080/09712119.2012.739088] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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12
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Castro N, Kawashima C, van Dorland H, Morel I, Miyamoto A, Bruckmaier R. Metabolic and energy status during the dry period is crucial for the resumption of ovarian activity postpartum in dairy cows. J Dairy Sci 2012; 95:5804-12. [DOI: 10.3168/jds.2012-5666] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2012] [Accepted: 06/16/2012] [Indexed: 11/19/2022]
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13
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Piechotta M, Sander A, Kastelic J, Wilde R, Heppelmann M, Rudolphi B, Schuberth H, Bollwein H, Kaske M. Short communication: Prepartum plasma insulin-like growth factor-I concentrations based on day of insemination are lower in cows developing postpartum diseases. J Dairy Sci 2012; 95:1367-70. [DOI: 10.3168/jds.2011-4622] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2011] [Accepted: 11/03/2011] [Indexed: 11/19/2022]
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Fiaz M, Abdullah M, Nasir M, Javed K, Babar ME, Pasha TN, Jabbar MA. Effect of varying dietary energy levels during the last trimester of pregnancy on subsequent first lactation performance in Sahiwal heifers. Trop Anim Health Prod 2011; 44:975-81. [PMID: 22086412 DOI: 10.1007/s11250-011-9998-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/20/2011] [Indexed: 11/30/2022]
Abstract
The aim of the study was to determine optimum dietary energy level during the last trimester of pregnancy for Sahiwal heifers in subtropical Pakistan. Sixteen Sahiwal heifers, 5-6 months pregnant, were assigned to four dietary treatments with four heifers on each treatment. Isonitrogenous (CP = 14.1%) diets having varying energy, namely, ME 88%, ME 100% (Control), ME 112% and ME 124% of NRC recommended level for pregnant heifers, were fed until calving. All were fed a similar diet after calving. Precalving weight gain was highest (P < 0.05) in heifers fed ME 112 and 124% (486 ± 13 and 497 ± 5 g/day, respectively) followed by ME 100% (444 ± 7 g/day), and the lowest weight gain was recorded for ME 88% (397 ± 8 g/day). A similar trend was observed for feed efficiency. Body condition score at calving in groups ME 124% and ME 112% was higher than ME 88% and ME 100%. Nutrient digestibility, birth weight of calves and milk composition except fat content were not influenced by energy levels. The highest daily milk yield was observed in heifers fed ME 100% followed by ME 112, 124, and 88%. We conclude that the NRC recommendation is applicable to the subtropical region.
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Affiliation(s)
- Muhammad Fiaz
- Department of Livestock Production, University of Veterinary and Animal Sciences, Lahore, Punjab, Pakistan
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15
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High NEFA concentrations around parturition are associated with delayed ovulations in grazing dairy cows. Livest Sci 2011. [DOI: 10.1016/j.livsci.2011.05.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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16
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Perri A, Mejía M, Licoff N, Lazaro L, Miglierina M, Ornstein A, Becu-Villalobos D, Lacau-Mengido I. Gastrointestinal parasites presence during the peripartum decreases total milk production in grazing dairy Holstein cows. Vet Parasitol 2011; 178:311-8. [DOI: 10.1016/j.vetpar.2010.12.045] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2010] [Revised: 12/10/2010] [Accepted: 12/20/2010] [Indexed: 11/27/2022]
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Milk production, peripartal liver triglyceride concentration and plasma metabolites of dairy cows fed diets supplemented with calcium soaps or hydrogenated triglycerides of palm oil. J DAIRY RES 2009; 77:151-8. [DOI: 10.1017/s0022029909990604] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The aim of the study was to test the effect of rumen-inert fat supplements of different chemical forms or containing different unsaturated/saturated (U/S) fatty acid contents on milk production, milk composition and liver and blood metabolic variables of high-yielding dairy cows in the peripartal period. Thirty Holstein-Friesian dairy cows were divided into three equal groups and fed a corn silage-based diet, without fat supplementation (control) or supplemented with 11·75 MJ NEl per day of calcium soaps of palm oil fatty acids (CAS; U/S=61/39) or with 11·75 MJ NEl per day of hydrogenated palm oil triglyceride (HTG; U/S=6/94). Each diet was fed from 25±2 d prior to the expected calving to 100±5 d post partum. Compared with the control, both CAS and HTG supplementation resulted in an increase of the average milk yield. Milk fat content and fat-corrected milk yield were higher in the HTG group but lower in the CAS group than in the control group. In all groups liver triglyceride concentrations (TGL) increased from 15 d prepartum to 5 d post partum, and then decreased thereafter. At 5 d TGL was lower in the HTG group than control or CAS cows. No significant differences were detected in TGL among dietary treatments at 15 d prepartum and 25 d post partum. Higher plasma glucose and insulin and lower non-esterified fattay acids and β-hydroxybutyrate concentrations and aspartate aminotransferase activity were measured in the HTG group than in the control or CAS groups at 5 d or 25 d post partum. Our results show that HTG may provide a better energy supply for high-yielding dairy cows in negative energy balance than CAS around calving.
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Effect of prepartum diet on postpartum ovarian activity in Holstein cows in a pasture-based dairy system. Anim Reprod Sci 2009; 114:1-13. [DOI: 10.1016/j.anireprosci.2008.08.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2008] [Revised: 07/11/2008] [Accepted: 08/04/2008] [Indexed: 11/24/2022]
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