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The botanical composition of steer diet on a semidesert rangeGalt, Henry Deloss, 1929- January 1966 (has links)
No description available.
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Physiological effects of saline drinking water on lactating dairy cowsJaster, Edwin Howard, 1947- January 1977 (has links)
No description available.
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The effect of pelleted wheat straw on milk productionPerez Martinez, Joaquin Angel, 1949- January 1977 (has links)
No description available.
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Utilization of cottage cheese whey as dairy cattle feedNitzel, David Dale January 1978 (has links)
No description available.
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Perennial grass preferences of range livestock on the western slope of the Dragoon Mountains of southern ArizonaLeViness, Edward Arthur, 1925- January 1955 (has links)
No description available.
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Processed safflower seed as a replacement for tallow in a fattening ration for beef cattlePalmer, Kenneth William, 1940- January 1967 (has links)
No description available.
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Efficacy of bovine somatotropin (bST) over two lactations and on the interaction between bST and the nutritionalhormonal status of dairy cowsLeonard, Martin January 1993 (has links)
Efficacy of a sustained-release formulation of bST was evaluated for two consecutive lactations. Response in milk and milk component yield was positive and very consistent for multiparous cows between lactations. Average responses in milk production for the first lactation and for the 320-, 640-, and 960-mg$ cdot$28d$ sp{-1}$ doses of bST were 4.3, 5.2 and 5.9 kg$ cdot$d$ sp{-1}$, respectively. Response was 4.9 kg$ cdot$d$ sp{-1}$ for the average of the second lactation with 640 mg bST$ cdot$28d$ sp{-1}$. Primiparous cows responded with the same numerical magnitude as multiparous cows but with higher variability. BST caused a response in milk yield irrespective of the stage of lactation when injections commenced, but the magnitude of response was greater at latter stages of lactation. No adverse effect of treatment on final body condition score and achievement of proper condition for a subsequent lactation was found. No effect of treatment was observed on health parameters in either lactation. Trends towards longer days open and more breedings per conception were apparent for both lactations. Total milk protein, caseins and whey proteins were not changed at any stage of lactation and for the average of the full lactation. BST did not significantly change proportions of $ alpha sb{s}$-, $ beta$- and K-caseins. Milk fat percentage and milk fatty acid profiles were not different between control and any dose level of bST for a complete lactation. Maximum response in milk yield for the different doses of bST was from d8 to 12 of the 28d cycle and was almost eliminated by d22 to 24. A 3.1 and 3.6 kg$ cdot$d$ sp{-1}$ milk augmentation with bST was estimated in cows infused for 6d with glucose and saline, respectively during peak lactation. There was no apparent milk yield response when cows were infused with insulin + glucose but cows exhibited positive energy balance, weight gain and only 5% less milk. Insulin + glucose infusion increased milk protein 11% and 14% compa
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The effect of formaldehyde treatment of dietary protein supplements on cattle growth.Turay, Dramani A. January 1976 (has links)
No description available.
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A field data study of the relationships of nutritional practices to milk yield and composition and the estimation of their genetic parameters.Tong, Alan Kwai Wah January 1974 (has links)
No description available.
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Dietary fat supplementation for dairy cows in early lactation injected with somatotropinMarty, Bruno Josef January 1990 (has links)
Dairy cows fed diets supplemented with 2.5% calcium-salt fatty acids (CSFA) (DM basis) during early lactation produced more 4% FCM than cows fed the control diet. Feeding this diet also increased whole lactation performance. Supplementing diets with 1.25% CSFA or animal fat did not increase production performance of cows. Dietary fats were used directly for greater milk production and, based on unchanged body condition scores, did not alleviate body fat mobilization. Changes in the milk fat content and composition due to fat supplemented diets were negligible. A slight decrease in milk protein and SNF percentage was observed with CSFA but not with animal fat feeding. Palatability of the diets was good and DM intake was not impaired. Feeding animal fat at 1.25% and CSFA up to 2.5% of the DM does not impair forage digestibility and nitrogen balance. Dietary fat increased plasma triglyceride (TG) and cholesterol concentration. Injection of 10.3 mg d$ sp{-1}$ or 350 mg 14d$ sp{-1}$ of recombinant bovine somatotropin (rbST) did not change 4% FCM production or milk composition at any stage of lactation.
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