Effect of Dietary Crude Protein and Degradeability [sic] and Dietary Concentrate Level on Rumen Fermentation, Digestibility, and Nitrogen Losses in Dairy Cows PDF Download
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![Effect of Dietary Crude Protein and Degradeability [sic] and Dietary Concentrate Level on Rumen Fermentation, Digestibility, and Nitrogen Losses in Dairy Cows PDF](https://books.google.com/books/content/images/frontcover/fzPQSAAACAAJ?fife=w150-h200)
Author: Matthew G. Agle
Publisher:
ISBN:
Category : Dairy cattle
Languages : en
Pages : 146
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Book Description
![Effect of Dietary Crude Protein and Degradeability [sic] and Dietary Concentrate Level on Rumen Fermentation, Digestibility, and Nitrogen Losses in Dairy Cows PDF](https://books.google.com/books/content/images/frontcover/fzPQSAAACAAJ?fife=w80-h100)
Author: Matthew G. Agle
Publisher:
ISBN:
Category : Dairy cattle
Languages : en
Pages : 146
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Author: Herman Nienaber
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Published research suggests that it might be beneficial to increase the amount of rumen undegradable protein (RUP) that passes out of the rumen, through manipulation of rumen fermentation to establish a lower rumen pH. To test this hypothesis, a study was conducted in which three ruminally cannulated Holstein cows, 722 kg ; 25.6 kg fed three different diets (treatments) were used in a Latin square design experiment to determine effects of increasing levels of dietary concentrate on some rumen parameters and ruminal crude protein (CP) degradability. The in situ method was used to determine the ruminal protein degradability of sunflower oilcake, cottonseed oilcake and roasted soya. The three treatments differed in roughage:concentrate ratio, being 60:40 (Treatment UP 60), 45:55 (Treatment UP 45) and 30:70 (Treatment UP 30). Intake of dry matter (DM) (kg/day) did not differ between treatments. The mean rumen pH in cows receiving the three experimental diets differed and was 6.00, 6.27 and 6.44 for treatments UP 30, UP 45 and UP 60 respectively. The time (hours) below pH 5.8, which is considered to be the pH where fibre degradation is substantially negatively affected, was approximately 2.5 hours, but only on treatment UP 30. Mean rumen ammonia nitrogen (N) and total volatile fatty acid (VFA) concentrations did not differ among cows receiving different treatments but, cows fed treatment UP 30 had a lower ruminal acetic acid:propionic acid (A:P) ratio compared to the other treatments. There were no differences in ruminal CP degradation within the three feedstuffs when incubated in cows fed diets with different roughage:concentrate ratios. Results suggest that roughage:concentrate ratios ranging from 60:40 to 30:70, which resulted in mean pH values ranging from 6.4 to 6.0, did not affect ruminal CP degradation of sunflower oilcake, cottonseed oilcake and roasted soya.
Author: Tanya F. Gressley
Publisher:
ISBN:
Category :
Languages : en
Pages : 240
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Author: Lyle Mason Rode
Publisher:
ISBN:
Category : Microbial proteins
Languages : en
Pages : 328
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Author: Dwight Kenneth Roseler
Publisher:
ISBN:
Category : Dairy cattle
Languages : en
Pages : 288
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Author: Shaker Ata Ali Shannak
Publisher:
ISBN:
Category : Dairy cattle
Languages : de
Pages : 96
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Author: Carlos Arturo Llano H.
Publisher:
ISBN:
Category :
Languages : en
Pages : 168
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Author: Pier Giorgio Peiretti
Publisher: MDPI
ISBN: 3039364596
Category : Science
Languages : en
Pages : 348
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Book Description
This book addresses various aspects of in vitro digestibility: • Application of meta-analyses and machine learning methods to predict methane production; • Methane production of sainfoin and alfalfa; • In vitro evaluation of different dietary methane mitigation strategies; • Rumen methanogenesis, rumen fermentation, and microbial community response; • The role of condensed tannins in the in vitro rumen fermentation kinetics; • Fermentation pattern of several carbohydrate sources; • Additive, synergistic, or antagonistic effects of plant extracts; • In vitro rumen degradation and fermentation characteristics of silage and hay; • In vitro digestibility, in situ degradability, and rumen fermentation of camelina co-products; • Ruminal fermentation parameters and microbial matters to odd- and branched-chain fatty acids; • Comparison of fecal versus rumen inocula for the estimation of NDF digestibility; • Rumen inoculum collected from cows at slaughter or from a continuous fermenter; • Seaweeds as ingredients of ruminant diets; • Rumen in vitro fermentation and in situ degradation kinetics of forage Brassica crops; • In vitro digestibility and rumen degradability of vetch varieties; • Intestinal digestibility in vitro of Vicia sativa varieties; • Ruminal in vitro protein degradation and apparent digestibility of Pisum sativum; • In vitro digestibility studies using equine fecal inoculum; • Effects of gas production recording system and pig fecal inoculum volume on kinetics; • In vitro methods of assessing protein quality for poultry; and • In vitro techniques using the DaisyII incubator.
Author: Sylvie Andrieu
Publisher: BRILL
ISBN: 9086866409
Category : Technology & Engineering
Languages : en
Pages : 111
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Book Description
Globally, dairy and beef production has become an extremely competitive industry. While the world milk production is predicted to grow significantly by 2020 with the emergence of new consumers in developing countries, milk and meat production in the more establish markets now has to fulfil new societal needs beside the simple product supply: animal health, food safety, and production environmental impact are some of them. At the same time, the recent extreme increase in feed costs emphasizes again the key role of rumen and gut efficiency management in production economics. All these new thematic topics are central to the proper management of ruminant digestive process. Producers must endeavour to seek new technologies to improve production efficiency, animal health and production costs while keeping in mind the environmental impact these changes make. ‘Gut efficiency; the key ingredient in ruminant production’ brings together some of the world’s leading authorities in the field of ruminant nutrition and production. It considers the importance of digestive health in performance achievement together with novel strategies to manage it. It is aimed at nutritionists, veterinarians and animal producers as well as students and researchers studying animal and applied biological sciences.
Author: Charles Karuku Gachuiri
Publisher:
ISBN:
Category :
Languages : en
Pages : 464
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