Influence Of Corn Grain Processing In Dairy Cattle Diets On Digestion Of Nutrients In The Rumen And Milk Yield And Composition
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Nutrient Requirements of Dairy Cattle
Author: National Research Council
language: en
Publisher: National Academies Press
Release Date: 2001-02-09
This widely used reference has been updated and revamped to reflect the changing face of the dairy industry. New features allow users to pinpoint nutrient requirements more accurately for individual animals. The committee also provides guidance on how nutrient analysis of feed ingredients, insights into nutrient utilization by the animal, and formulation of diets to reduce environmental impacts can be applied to productive management decisions. The book includes a user-friendly computer program on a compact disk, accompanied by extensive context-sensitive "Help" options, to simulate the dynamic state of animals. The committee addresses important issues unique to dairy science-the dry or transition cow, udder edema, milk fever, low-fat milk, calf dehydration, and more. The also volume covers dry matter intake, including how to predict feed intake. It addresses the management of lactating dairy cows, utilization of fat in calf and lactation diets, and calf and heifer replacement nutrition. In addition, the many useful tables include updated nutrient composition for commonly used feedstuffs.
Rumenology
The book combines information about the behaviour that allowed ruminants to survive and to evolve on Earth: the rumen. Furthermore, the reader will find aspects involving rumen anatomy, physiology, microbiology, fermentation, metabolism, manipulation, kinetics and modeling. Thus, the book was not only organized to help students involved in areas such as ruminant nutrition and ruminant production but collegians gathering material for teaching practices.
Nutrition Regulation and Stress in Ruminant
Stress is an abnormal response of the organism to external environmental stimuli. In the process of breeding production, animals will show various stress reactions due to changes in their physiological functions, environmental conditions, and management levels. Transportation, high temperature, cold, and other stressors could induce protective reactions in the animal body, showing obvious physiological metabolic disorders and non-specific immune dysfunction, disrupting the physiological processes of nutrient metabolism, digestion and absorption, and immune defense, and ultimately leading to a decrease in production performance and feed conversion rate.