Co-Authors:
Solomon, R., Metabolic Unit. Institute of Animal Science, ARO, The Volcani Center, P.O. Box 6, Bet Dagan, 50250, Israel
Miron, J., Metabolic Unit. Institute of Animal Science, ARO, The Volcani Center, P.O. Box 6, Bet Dagan, 50250, Israel
Rubinstein, A., Metabolic Unit. Institute of Animal Science, ARO, The Volcani Center, P.O. Box 6, Bet Dagan, 50250, Israel
Ben-Ghedalia, D., Metabolic Unit. Institute of Animal Science, ARO, The Volcani Center, P.O. Box 6, Bet Dagan, 50250, Israel
Abstract:
Lambs of the Assaf dairy breed were assigned at 23-24 kg liveweight to one of three nutritional treatments: I, a high-energy concentrate mixture (CD); II, a diet in which 40% of the concentrate was replaced by a 1:1 mixture of untreated cotton stalks (CS) and poultry litter (UT-CS); III, as II, but the CS were treated with ozone gas (O3-TCS). The diets were fed ad libitum for 42-65 days until the lambs reached approximately 40 kg liveweight. The average daily liveweight gains were 226 g, 298 g and 395 g for the UT-CS, O3-TCS and CD rations, respectively. The better performance of the O3-TCS group of lambs, as compared with the UT-CS group, was the result of a 9.6% higher feed intake and 16.2% more efficient utilization of the diet. It was calculated that a 1:1 mixture of O3-treated CS and poultry litter could save 18.2% of the concentrates needed to raise lambs to 41.2 kg liveweight. © 1992.
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