The use of natural zeolite as the addition of poultry feed
1990
Kim Chi Un | Bang Gil Yong (Institute for Poultry, Pyongyang (Korea Democratic People's Republic))
When 5 percents of natural zeolite is added into the assorted feed for the poultry, the rate of laying of hens and quail is 2 percents higher and alive rate as to 5 percents higher than the control, and the feed consumption per a egg is economy as to 5 percents. The weight of fattening chicken and the duck is 5 percents higher than the control, and the feed consumption per 1 kg of meat is economic to 5 percents, and the total effect is 10 percents.
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