Two feeding trials were conducted to study the combined effects of (i) varying degrees of selective consumption and (ii) supplementation with cowpea (Trail 1) or groundnut haulms (Trial 2), on intake of organic matter (IOM) from sorghum stover, and total intake of digestible organic matter (IDOM). In both trials, 36 rams were allocated to 36 different treatments: six levels of feeding sorghum s...

When rations containing, basically, sorghum grain were supplemented with urea, it was found that the urea affected the concentrations of certain fatty acids in the rumen and depot fat. On a ration of grain/sorghum silage similarly supplemented, isovaleric acid increased. There was a small affect of urea on the level of linoleic acid in the rumen of sheep which, however, was not significant at t...

In investigations upon the alteration of the intestinal microflora of chickens by antibiotics added as supplements to rations, an important problem is the enumeration and identification of the coliform group of bacteria in intestinal contents. The importance of the coliform group in the chick's intestinal contents was demonstrated by Rhodes et al. (1954) in studies upon the vitamin-sparing effe...

This paper examines the potential to use multiple objective programming to reduce nutrient excretion from dairy cows through incorporation of nutrient excretion functions into a ration formulation framework. In a typical ration formulation model, a ration is formulated to minimize cost while providing sucient nutrients to meet the needs of the animal type being fed. To reduce the nutrient load...

Albino rats maintained for 50 to 60 days on rations containing cholesterol, sodium cholate, and thiouracil were found to be highly susceptible to the lethal effects of infection with Mycobacterium tuberculosis. Maximum loss of resistance occurred only when all three components were present in a single ration. A lesser degree of susceptibility resulted from the deletion of one or more of the fac...

12 female and 12 castrate male sheep were allocated to ration. containing dried fermented cassava peels at 0,20, 40 and 60% over a 6 month period to determine the optimum level at which maize could be replaced without any effect on digestibility of rations and liveweight performance. Carcass-and economic characteristics were determined. 40 and 60% fermented cassava peels significantly depressed...