الفهرس | Only 14 pages are availabe for public view |
Abstract Because ducks bikini birds produce meat with high fat and as the needs of the ducks of copper and zinc are not known at this time according to the latest recommendations of the National Council for Research, USA, 1994 So This study was conducted to study the effects of different levels of copper (first experiment ) and zinc (second experiment) in the form of membership or non membership with or without enzyme Alvia Alviaz low levels on the productive performance and physiological male ducks bikini in the period of 1-56 days of age to 1 - study of the productivity performance of duck bikini under the influence of different levels of these two elements 2 - Studying the effect of copper on the deposition of fat and cholesterol in meat ducks 3 - Performance Study physiological and duck meat quality under the influence of copper and zinc 4 - to reach the appropriate level of the. |