Effect of selenium on cold adapted beef cattle
نویسندگان
چکیده
منابع مشابه
The effect of subclinical selenium toxicosis on pregnant beef cattle.
A field investigation conducted by the South Dakota Animal Disease Research and Diagnostic Laboratory suggested that subclinical selenium toxicosis in pregnant cows may have contributed to an outbreak of aborted/stillborn calves in a high-selenium region of South Dakota. This study was undertaken to evaluate the relationship between abortion and subclinical selenium toxicosis in the dam and to ...
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نتایج این مطالعه نشان می دهد که مقدار کلسیم (یونیزه و تام)، منیزیم و فسفر به طور معنی داری تغییر پیدا کرد به جزء مقدار کلسیم تام و منیزیم در روش داخل عضلانی که تغییر معنی داری نداشته است. بر اساس نتایج این مطالعه می توان نتیجه گیری کرد که اکسی تتراساکلین بر روی مقادیر سرمی کلسیم و منیزیم تأثیر می گذارد باید مقدار این کاتیون ها در بیماران، در هنگامی که اکسی تتراسایکلین استفاده می شود مورد توجه ق...
15 صفحه اولEffect of supplemental selenium of performance and deposit of selenium in blood and hair of finishing beef cattle.
Two experiments were conducted to study the effect of supplemental selenium at levels of 0, .1, .2, or .4 mg/kg to a finishing beef catt le diet containing .08 mg/kg. In one experiment, an increase (P<.05) in gain was obtained from adding .1 mg selenium per kilogram. However, in a second experiment, no benefit was obtained from adding .1 mg/kg and supplemental levels of either .2 or .4 mg/kg re...
متن کاملProtein and selenium levels for growing and finishing beef cattle.
Two feedlot studies were conducted with 96 Hereford steers to assess the relationship be:ween selenium adequacy and protein requirements of growing and finishing cattle. The first study was a 98-day growing trial with feeder steers as they gained from 230 to 340 kilograms. Diets contained 55% corn silage (dry matter basis) with shelled corn and were supplemented with soybean meal and sodium sel...
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this experimental study has been conducted to test the effect of oral presentation on the development of l2 learners grammar. but this oral presentation is not merely a deductive instruction of grammatical points, in this presentation two hypotheses of krashen (input and low filter hypotheses), stevicks viewpoints on grammar explanation and correction and widdowsons opinion on limited use of l1...
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ژورنال
عنوان ژورنال: Asian-Australasian Journal of Animal Sciences
سال: 1998
ISSN: 1011-2367,1976-5517
DOI: 10.5713/ajas.1998.265