| Effect of prepartum maternal energy density on the growth performance, immunity, and antioxidation capability of neonatal calves. | |
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MedLine Citation:
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PMID: 22818465 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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This study investigated the effect of prepartum diets differing in energy density on growth performance, immunity, and antioxidation capability of neonatal calves. Thirty Holstein dairy cows were allocated at random into 3 groups: low energy group [L; net energy of lactation (NE(L))=5.25MJ/kg of dry matter (DM)]; medium energy group (M; NE(L)=5.88MJ/kg of DM); and high energy group (H; NE(L)=6.48MJ/kg of DM) at d 21 prepartum. Plasma was sampled for analysis of glucose, total protein, β-hydroxybutyrate, and nonesterified fatty acids at 21, 14, and 7 d before parturition. After calving, birth weight and measurements of the calves in each group were recorded, and blood samples were collected for analysis of CD4, CD8, CD21, IL-2, IL-4, IL-6, total antioxidant capacity, superoxide dismutase, glutathione peroxidase, and maleic dialdehyde. The results indicated that although maternal weight did not differ among L, M, and H groups at 21, 14, and 7 d before parturition, the concentrations of glucose and β-hydroxybutyrate at 14 and 7 d in the L group were decreased compared with that in the H group. In addition, nonesterified fatty acids concentrations increased significantly in the L group at 14 and 7 d before parturition compared with that in the M and H groups. Birth weight, body height, body length, abdominal circumference, thoracic girth, umbilical girth, and levels of CD4, CD4:CD8, IL-2, IL-4, total antioxidant capacity, and superoxide dismutase were decreased in calves of the L group compared with those of the H group. For the M group, CD4, CD4:CD8, and superoxide dismutase were decreased; and in the L group glutathione peroxidase and maleic dialdehyde levels were significantly increased compared with those of the H group. Reducing the maternal energy density during the last 21 d before parturition had a negative effect on growth and development, immunity, and antioxidation capability of neonatal calves. |
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Authors:
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F Gao; Y-C Liu; Z-H Zhang; C-Z Zhang; H-W Su; S-L Li |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of dairy science Volume: 95 ISSN: 1525-3198 ISO Abbreviation: J. Dairy Sci. Publication Date: 2012 Aug |
Date Detail:
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Created Date: 2012-07-23 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 2985126R Medline TA: J Dairy Sci Country: United States |
Other Details:
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Languages: eng Pagination: 4510-8 Citation Subset: IM |
Copyright Information:
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Copyright © 2012 American Dairy Science Association. Published by Elsevier Inc. All rights reserved. |
Affiliation:
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College of Animal Science, Inner Mongolia Agricultural University, Hohhot, 010018, China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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