Feeding high or low levels of concentrate supplements to cows was continued for 90 days postpartum. Five animals were excluded from the study for various reasons and the results were derived from 77 cows. Two calves died before weaning. Group LAR had the highest frequency (81.8%) of cows ...
Driven to unlock the greatest potential in every animal, the company is an industry-leading innovator offering a valued portfolio of complete feeds, supplements, premixes, ingredients and specialty technologies for the livestock and lifestyle animal markets. Purina Animal Nutrition LLC is headquartere...
The effect of supplements of formaldehyde-treated casein on the partitioning of nutrients between cow and calf in lactating Bos indicus × Bos taurus heife... 0.05) positive multiple regression between peak intake during lactation and the weight change of both heifer and calf in the first 8 week...
"Unidentified Growth Factor" Supplements and Methionine in Rations for Ducks 6. Previous work with ducks (Absts. 347, 2919, Vol. 23) had shown that much of the growthpromoting effect of dried brewer's yeast was due to its high conte... ML Scott,EH Parsons,E Dougherty - 《Poultry ...
Evaluation of animal protein supplements in diets of early-weaned pigs J. Anim. Sci., 71 (1993), pp. 1853-1862 CrossrefView in ScopusGoogle Scholar Heinrichs et al., 1995 A.J. Heinrichs, S.J. Wells, W.C. Losinger A study of the use of milk replacers for dairy calves in the Unit...
The effect of dietary vitamin A supplements on plasma carotenoid (PC), liver Bcarotene, and fat carotenoid concentrations, and on fat colour in cattle were... TW Knight,AF Death,PD Muir,... - 《New Zealand Journal of Agricultural Research》 被引量: 73发表: 1996年 THE INFLUENCE OF ZERANOL...
They also looked at the different acids' effects on calf weight gain, cow serum metabolites and metabolic hormones. Angus-Gelbvieh cross cows fed safflower supplements were compared with controls fed a corn-soybean supplement. All cows had free accessto native grass hay and trace-mineralized salt....
Supplementation levels consisted of a low supplementation fed at 1 kg per animal per day and high supplementation fed at 2 kg per animal per day. In addition, Red Fulani cows received the supplements in two different ways namely a pre-partum supplementation consisting of 1 kg per cow per day...
Supplementation levels consisted of a low supplementation fed at 1 kg per animal per day and high supplementation fed at 2 kg per animal per day. In addition, Red Fulani cows received the supplements in two different ways namely a pre-partum supplementation consisting of 1 kg per cow per day...
This includes a calving chute in which the sides can open fully to gain access to the cow or allow the cow to lie down and maternity pens to monitor cows that are close to calving or recently calved cows (Fig. 1.21A, B). High-quality forage, mineral supplements and clean water are ...