CUPRIC OXIDE NEEDLES FOR GRAZING CATTLE – GROWTH AND METABOLIC INTERRELATIONSHIPS
نویسندگان
چکیده
منابع مشابه
Comparisons of Cattle Grazing and Sheep Grazing
Controversy has surrounded the possible differences in pasture production which result from grazing by cattle or sheep. Experiments conducted over the 1972-76 period show that pasture production under grazing by sheep is greater than under grazing by cattle under similar intensive managements. A change from sheep grazing to cattle grazing can cause a rapid deterioration in pasture production, w...
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Recently, it has been proposed on theoretical grounds that carrion odor from flowers may not only attract pollinators, but also repel mammalian herbivores. Two grazing experiments involving 16 to 26 cattle heads per year, one for eight years (1982-1989) and the other for seven (1994-2000), in a region with no large carnivores that could influence cattle behavior, show that cattle avoid areas wh...
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Two experiments were conducted to compare the effects of a progesterone-estradiol implant (PEI) with no implant (NI) and 20 g of copper oxide needles (CuON) with no CuON on grazing, subsequent feedlot performance, and selected serum constituents of steers. In Exp. 1, 114 Limousin crossbred yearling steers (317 kg average initial BW) were stocked continuously on Acremonium coenophialum-infected ...
متن کاملProtein-energy interrelationships in growth and lactation of cattle and sheep.
Introduction Flexibility is needed in planning rations for livestock to meet the fluctuations in the economic situation, highlighted for instance by the recent scarcity and high price of protein-rich foods. Tables of requirements tend to treat protein and energy separately, whereas their joint effects on production are becoming more apparent. The ‘requirements’ concept could with advantage incl...
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ژورنال
عنوان ژورنال: Canadian Journal of Animal Science
سال: 1987
ISSN: 0008-3984,1918-1825
DOI: 10.4141/cjas87-059