Major advances in fundamental dairy cattle nutrition

Journal of Dairy Science
J K DrackleyC K Reynolds

Abstract

Fundamental nutrition seeks to describe the complex biochemical reactions involved in assimilation and processing of nutrients by various tissues and organs, and to quantify nutrient movement (flux) through those processes. Over the last 25 yr, considerable progress has been made in increasing our understanding of metabolism in dairy cattle. Major advances have been made at all levels of biological organization, including the whole animal, organ systems, tissues, cells, and molecules. At the whole-animal level, progress has been made in delineating metabolism during late pregnancy and the transition to lactation, as well as in whole-body use of energy-yielding substrates and amino acids for growth in young calves. An explosion of research using multicatheterization techniques has led to better quantitative descriptions of nutrient use by tissues of the portal-drained viscera (digestive tract, pancreas, and associated adipose tissues) and liver. Isolated tissue preparations have provided important information on the interrelationships among glucose, fatty acid, and amino acid metabolism in liver, adipose tissue, and mammary gland, as well as the regulation of these pathways during different physiological states. Finally, the las...Continue Reading

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Citations

Jul 1, 2010·Animal : an International Journal of Animal Bioscience·J J Loor
Oct 4, 2012·Animal : an International Journal of Animal Bioscience·S SeoJ J Loor
Oct 4, 2012·Animal : an International Journal of Animal Bioscience·K L Ingvartsen, K Moyes
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Apr 16, 2019·Journal of Animal Science·Qiushi XuXinwei Li
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Aug 19, 2020·Journal of Animal Science·Matteo MezzettiErminio Trevisi
Jun 2, 2020·Frontiers in Veterinary Science·Anne-Marieke C SmidMarina A G von Keyserlingk
May 16, 2018·Journal of Agricultural and Food Chemistry·Xiaoshi WeiJunhu Yao

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