Brain Regulation of Growth in Beef Calves
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Effect of Forage Feeding Level on Performance, Meat Quality and Economic Costof Holstein Beef Calves Fed Organic Diet
The aim of this study was to compare conventional and organic diets in beef production. Thirty-two dairy beef calves were used in 4 treatments: organic diet with three levels of forage [70% of organic diet with high amount of forage (ORH), 55% of organic diet with medium amount of forage (ORM), 38% of organic diet with low amount of forage(ORL)] and conventional diet (CON). The dry matter intak...
متن کاملCalf Note #61 – Effect of Nutrient Intake on Growth in Beef Calves
NOTE: Feeding, management and growth of beef calves varies somewhat from the methods used to raise dairy calves. Typically, beef calves are reared on the dam and intake of milk is determined by the nutrition of the cow and her ability to make milk. The information below is a review of literature regarding the growth of calves as it relates to milk production in beef cattle. The text in this not...
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Small peptide hormones produced in the lower part of the brain (hypothalamus) regulate episodic and basal secretion of hormones from the anterior pituitary gland that affect metabolism and growth in cattle. This study focused on long-term growth in young calves subjected to hypophysectomy (HYPOX), hypophyseal stalk transection (HST), and sham operation control (SOC). Crossbred (Hereford x Aberd...
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Intake and annual performance of Limousin × Holstein-Friesian and Simmental × Holstein-Friesian beef suckler cows, and pre-weaning growth of their calves Beef cross dairy heifers remain a significant source of replacement breeding stock for the suckler herd in Ireland. Previous studies at this centre have compared Hereford × Friesian beef suckler dams with Charolais × Friesian and Limousin × Fr...
متن کاملImplants For Growth Promotion In Beef Cattle
F beef cattle management practices are more cost effective or have a higher return on investment than properly used growth promoting implants. Growth promoting implants are pellets that are implanted under the skin of the ear of growing calves. These pellets release extremely low concentrations of various hormones, which improve average daily gain 7 to 17 percent and feed efficiency 4 to 12 per...
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تاریخ انتشار 2000