By W. P. Blount (Eds.)
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Extra info for Intensive Livestock Farming
Another, with a specialised high oil inclusion, will increase butterfat. A third, because of its particular oil, carbohydrate and mineral relationship, will support maximum milk yield. So that in terms of what the current range of milk production diets will do, better performances are now possible at no higher cost per gallon than that of less scientifically blended diets. 5 (a). What are the general policies to be adopted under intensive milk production ? The first two are clearly established : (i) A deep milking cow.
Per gallon throughout the year, there is no place for whole milk feeding in an intensive calf rearing enterprise. Recent research has shown that it is imperative that the new-born calf should have colostrum within 6 hours of birth and preferably 3 hours. This ensures adequate intake of colostrum at a time when the intestine is still permeable to the transfer of antibodies. The normal early weaning system of calf rearing is well known. Briefly, it entails feeding a limited amount of milk replacement twice daily ( 3 | pints) and weaning during the 4th week of age or the 4th week after purchase in the case of bought-in calves.
At a cost of approximately Is. 3d. per gallon there is a strong financial incentive to feed calves a milk substitute in place of whole milk, which sells at prices ranging from 2s. to 3s. 6d. per gallon, depending on the season of the year. Higher concentrations of \ \ lb. per gallon (13 per cent dry matter) approximate more closely to the 16 INTENSIVE LIVESTOCK FARMING dry matter content of whole milk and result in better liveweight gains. Milk replacements. Farmers must be educated to appreciate the value of accuracy in using feeds carefully balanced for young calves.