Effect of Prepartum Energy and Protein Intake on Postpartum Health and Performance of Dairy Cows PDF Download
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Author: John Joseph Kennelly
Publisher:
ISBN:
Category : Dairy cattle
Languages : en
Pages : 74
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Book Description
Author: John Joseph Kennelly
Publisher:
ISBN:
Category : Dairy cattle
Languages : en
Pages : 74
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Book Description
Author: Galal Moustafa Yousif
Publisher:
ISBN:
Category : Dairy cattle
Languages : en
Pages : 214
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Book Description
Author: Robert John Van Saun
Publisher:
ISBN:
Category :
Languages : en
Pages : 892
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Book Description
Author: Jaime R. Moya-́Guzmań
Publisher:
ISBN:
Category : Dairy cattle
Languages : en
Pages : 198
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Book Description
Author: Euler Rabelo
Publisher:
ISBN:
Category :
Languages : en
Pages : 192
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Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 220
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Author: Winfield Scott Burhans
Publisher:
ISBN:
Category :
Languages : en
Pages : 706
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Book Description
Author: Morgan C. Wang
Publisher: SAS Press
ISBN: 9781580252935
Category : Mathematical statistics
Languages : en
Pages : 0
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Book Description
Finally ... a book that addresses the various needs, concepts, and approaches for SAS users who work with meta-analytic procedures! Wang and Bushman introduce you to the important concepts in meta-analysis and how to use SAS software for this specific type of analysis. They describe the meta-analytic (or quantitative) approach to reviewing results from a collection of studies that all investigate the same phenomenon. The authors thoroughly describe how you can use meta-analysis in "data-mining" projects to discover meaningful relations among variables in a collection of studies. Practicing meta-analysts or anyone interested in combining the results from several related studies, surveys, and experiments will benefit from this comprehensive book. It is assumed that the reader has an understanding of meta-analytic procedures and SAS software. Book jacket.
Author: R. John Wallace
Publisher: John Wiley & Sons
ISBN: 3527615342
Category : Science
Languages : en
Pages : 368
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Book Description
With the dramatically rising sophistication of biological methods and products and the increasing use of recombinant DNA technology, now is an apt time to review the status of biotechnology in animal feeding. This book gives succinct yet comprehensive coverage of products of biotechnology and allied sciences used in animal feed and feeding industries. Particular emphasis is placed on: - Conservation and upgrading of feeds and feed components - Increasing the protein value of feeds - Antimicrobials - Microbial feed additives - Increasing the energy value of feeds. Moreover, increasing environmental concerns are reflected in chapters describing dietary products which may help to reduce environmental hazards from animal feeding enterprises. A discussion of social and legislative aspects relating to biotechnology and animal feeding rounds off this useful compilation of timely articles.
Author: Nicole A. Janovick
Publisher:
ISBN: 9780549910398
Category :
Languages : en
Pages : 820
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Book Description
Experiments were conducted to evaluate prepartum plane of energy intake, metabolism, and inflammation during the periparturient period. In experiment 1 housekeeping genes were evaluated for use with qPCR experiments in liver tissue. Ribosomal protein, S9 (RPS9) was most stable over dietary treatments and physiological states. In experiment 2, a qPCR study was conducted using 6 cows per treatment group that had either restricted, controlled, or excess energy intake prepartum. Expression for mRNA of genes related to fatty acid oxidation was greater for controlled energy cows on d 14 postpartum and related to lower lipid accumulation postpartum. Expression of mRNA for inflammatory genes was elevated pre- and postpartum in overfed cows and was associated with total liver lipid postpartum. In experiment 3, serum from 73 cows with restricted, controlled, or excess energy intake in the far-off period and either ad libitum or restricted intake in the close-up period was evaluated. Liver function and inflammatory variables were related to liver lipid accumulation postpartum. A poorer liver function index was noted for cows overfed energy or restricted prepartum. Experiment 4 used primiparous (n = 24) and multiparous (n = 23) cows with restricted, controlled, or excess energy intake prepartum. Controlling or restricting intake resulted in less severe change in dry matter intake and energy balance prepartum and improved metabolic profiles and health postpartum compared with cows having excess energy intake prepartum regardless of parity group. In experiment 5, a bovine oligonucleotide microarray was used to study temporal effects of mRNA transcript expression in subcutaneous adipose in 7 cows overfed energy and 7 cows with controlled energy intake prepartum from experiment 4. Over 3,400 mRNA transcripts were differentially expressed due to diet by time effects. The largest dietary effects occurred on d -14 and largest day effects between d -14 and d 1. Overconsumption of energy was linked to inflammatory markers studied in these experiments. A relationship between postpartum liver lipid accumulation and inflammation was observed. Avoiding overconsumption of energy prepartum improved metabolic status and metabolism, which was therefore beneficial to animal health and productivity. Evidence for inflammation and metabolic dysfunction in adipose tissue related to prepartum energy intake requires further study.
