Mineral Supplementation for Cattle and Zinc-Ractopamine Hydrochloride Association to Enhance Animal Performance

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Submitted By marconebraska
Words 4222
Pages 17
Ruminants, classified in the order Arteriodactyla and suborder ruminantia, are very important domesticated animals for the human society. Approximately 155 species of ruminants can be found around the globe but only about 6 of them are domesticated, cattle, sheep, goats, buffaloes, reindeer and yaks (Van Soest, 1994). Ruminants are different from all other mammals because of its digestive anatomy composed by four stomach compartments (reticulum, rumen, omasum and abomasum). Another unique characteristic is the interaction between animals, plant and microorganisms present inside the gastrointestinal tract resulting in a symbiotic relationship through gastro-enteric microbial fermentation. Plants consumed by ruminants are utilized as substrates by the microorganisms and the products from fermentation and microorganisms provide energy and protein to the host animal. Animal products such as milk and meat have always been an important component of human diets, therefore technologies to enhance production efficiency and increase economic return for producers are important. Ruminant nutrition research has focused on strategies to improve animal growth performance and carcass quality. Different feed additives and mineral supplementation strategies have been used to influence several characteristics on ruminants and some are used to modify growth. Ractopamine Hydrochloride is one of them, and consists of a metabolic growth modifier used to increase animal performance and has been used in cattle legally since 2003 in the United States of America (Gruber et al., 2007). Therefore, utilization of feed additives including ractopamine in association with Zinc and other minerals should be evaluated and validated considering protein synthesis effect and also economical feasibility before any decision-making.
Mineral Supplement utilization in USA confined cattle…...

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