Download Copper in Animal Wastes and Sewage Sludge: Proceedings of by R. Braude (auth.), P. L’Hermite, J. Dehandtschutter (eds.) PDF

By R. Braude (auth.), P. L’Hermite, J. Dehandtschutter (eds.)

This e-book constitutes the lawsuits of a Workshop held in Bordeaux (France) on eighth - tenth October, 1980, less than the auspices of the Commissior: of the ecu groups, as a part of the CEC study programme on 'Effluents from farm animals' and the Concerted motion rate sixty eight bis 'Treatment and Use of Sewage Sludge'. significant alterations have taken position in cattle creation ideas lately. the most vital advancements has been within the box of animal nutrients. Animals are fed to realize greatest liveweight in shut courting with marketplace necessities for carcass and meat caliber. with reference to pig creation, nutritional formula relies on medical ideas and feed encompasses a huge number of parts to provide optimal feed rations for 'standardised' animals. so that it will elevate development price and to enhance feed conversion, copper is further to the ratio~s of fattening pigs in a few international locations, in keeping with the provisions of Council Directives referring to ingredients in feedingstuffs, as final amended by way of the twenty third fee Directive of 4th July 1980.

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Extra info for Copper in Animal Wastes and Sewage Sludge: Proceedings of the EEC Workshop organised by the Institut National de la Recherche Agronomique (INRA), Station d’Agronomie, Bordeaux, France, and held at Bordeaux, October 8–10, 1980

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High levels Medicated feeds with high levels of antibiotics (generally in combination) are given under veterinary prescription at each critical period when stress is expected. In the intervening periods, a level of adjuvant could be used which has only growth promotant efficacy. However, the first two programmes are better because they do not disturb the balance of micro-organisms in the intestinal flora. The use of high levels of antibiotics (third programme) is suspected of being responsible for disturbances of the intestinal flora and the possible transmission of multi-resistant micro-organisms to humans.

1979. Porco France, 187-196. M. , 1965. , 1969. , 1976. Jour. Rech. J. Anim. Sci. 24, 1020-1026. J. Anim. Sci. ~, Proc. Nutr. Soc. ~, 573-580. 377-382. , Schneider, D. , 1976. Zeit. Tierphysio1. Tierernahr. 36, 311-321. W. , 1952. Arch. Biochem. Biophys. 41, 378-382. , 1975. , 1958. World. Rev. Nutr. Diet. Ann. Zootech. , 1962. , 1969. ~, ~, 183-235. 163-169. World. Rev. Nutr. Diet. l' 21-64. The use of drugs in animal feeds. Pub. 1679. Nat. Acad. Sci. Washington. 11-30. , Aumaitre, A. , 1977.

KVL's Institut f. Sterilitetsforsk. pp. 135-145. -49- DISCUSSION N. P. Lenis (NetheY'Zands) Do you think there is a setback in performance when you withdraw the copper Qt 50 kg liveweight? A. Madsen (Denmark) No, not at all, not according to our results. P. Lenis There are some reports which do indicate such a setback in performance. A. Madsen Yes I know; you can see this in Braude's review also. However, I was asked to present our Danish results and, as you saw, from 50 kg to 90 kg the figures were exactly the same for daily gain and for feed conversion.

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