Effects of a Source of Ruminally Degradable Protein and Monensin on Starch Digestion in Steers Fed a High-grain Diet PDF Download
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Author: Maria Andrea Cerrillo Soto
Publisher:
ISBN:
Category :
Languages : en
Pages : 236
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Book Description
Neither source of dietary N nor monensin influenced ruminal NH3-N concentrations. Results are interpreted to indicate that accumulation of peptides in rumen fluid did not increase starch digestion. This study found no evidence to support in vitro studies that have shown non-structural carbohydrate fermenting bacteria benefit from peptides present in the medium.
Author: Maria Andrea Cerrillo Soto
Publisher:
ISBN:
Category :
Languages : en
Pages : 236
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Book Description
Neither source of dietary N nor monensin influenced ruminal NH3-N concentrations. Results are interpreted to indicate that accumulation of peptides in rumen fluid did not increase starch digestion. This study found no evidence to support in vitro studies that have shown non-structural carbohydrate fermenting bacteria benefit from peptides present in the medium.
Author: Pradeep K Malik
Publisher: CABI
ISBN: 1780644329
Category : Technology & Engineering
Languages : en
Pages : 409
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Book Description
In a changing climate, livestock production is expected to exhibit dual roles of mitigation and adaptation in order to meet the challenge of food security. This book approaches the issues of livestock production and climate change through three sections: I. Livestock production, II. Climate change and, III. Enteric methane amelioration. Section I addresses issues of feed quality and availability, abiotic stress (heat and nutritional) and strategies for alleviation, livestock generated nitrogen and phosphorus pollution, and approaches for harnessing the complex gut microbial diversity. Section II discusses the effects of climate change on livestock diversity, farm animal reproduction, impact of meat production on climate change, and emphasising the role of indigenous livestock in climatic change to sustain production. Section III deals with the most recent approaches to amelioration of livestock methane such as breeding for low methane emissions, reductive acetogenesis, immunization/vaccine-based concepts and archaea phage therapy.
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 892
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Author:
Publisher:
ISBN:
Category : Chemistry
Languages : en
Pages : 2692
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Author: Charles Andrew McPeake
Publisher:
ISBN:
Category : Feed additives
Languages : en
Pages : 204
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Author:
Publisher:
ISBN:
Category : Dissertation abstracts
Languages : en
Pages : 784
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Author: D. C. Church
Publisher:
ISBN:
Category : Animal nutrition
Languages : en
Pages : 472
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
A meta-analysis, two animal experiments, and one data mining experiment were conducted to determine the effects of feeding reduced-starch (RS) diets and starch digestibility on dairy cattle performance. A meta-analysis was conducted to determine the effects of feeding RS diets on intake, lactation performance, and ruminal parameters. Dietary starch was reduced by partial replacement of grain with non-forage fiber sources or forages. Dry matter intake, milk, fat, and protein yield were decreased as dietary starch was reduced. Total ruminal volatile fatty acid concentration was decreased as dietary starch was reduced. Molar proportion of ruminal acetate was increased as dietary starch was reduced. Reducing dietary starch decreased lactation performance of dairy cows. The first animal experiment determined the effects of normal or RS diets and finely- or coarsely-ground corn on performance of lactating dairy cows. Milk and protein yields were reduced for cows fed RS diets, however, fat-corrected milk was increased for cows fed the normal-starch finely-ground corn and RS coarsely-ground corn diets. Ruminal digestibility of NDF was increased for cows fed the RS diets. Total tract digestibility of NDF was greater on the RS diets, while total tract starch digestibility was greater on the RS diets and the finely-ground corn diets. Cows fed the finely ground corn diets had greater ruminal propionate and lower rumen pH. The second animal experiment determined the effects of feeding RS diets by partially replacing corn grain with soyhulls (SH) or corn silage (CS), or CS and grain with SH. Partial replacement of corn grain with SH or CS increased milk fat content compared with partial replacement of CS and corn grain with SH. Partial replacement of corn grain with SH or CS increased total tract NDF and starch digestion. Diet digestibility and performance of mid-lactation cows fed RS diets by partially replacing corn grain with SH or CS was similar to or improved compared to cows fed a normal-starch diet. The third experiment tested whether total tract starch digestibility can be predicted from the concentration of starch in fecal dry matter. Total tract starch digestibility was predicted accurately from fecal starch concentration.
Author: Charles Onyeabo Isichei
Publisher:
ISBN:
Category : Beef cattle
Languages : en
Pages : 368
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Book Description
Author:
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 1158
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