搜索结果: 1-2 共查到“养禽学 Supplement”相关记录2条 . 查询时间(0.047 秒)
The effects of a higher amount of iodine supplement on the efficiency of laying hens fed extruded rapeseed and on eggshell quality
egg mass feed:egg mass ratio
2015/6/1
The objective of this experiment was to study the effects of feeding 6.07 mg/kg of iodine in comparison with 3.57 mg/kg of iodine as a supplement in diets with different levels of extruded rapeseed (4...
Effect of dietary vitamin C supplement on reproductive performance of aviary pheasants
vitamin C pheasant reproduction laying hatchability stress
2015/6/1
The effects of three doses of vitamin C (100, 200 and 300 mg/kg) added to the feed of reproductive pheasants on egg production, egg fertility and parameters of hatchability were investigated. In exper...