Konu "Laying hen" için Teknik Bilimler Meslek Yüksekokulu Koleskiyonu listeleme
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Comparing quality of free range and battery cage eggs
(Eugen Ulmer Gmbh Co, 2017)Quality parameters of eggs from laying hens kept in free-range respectively battery cage systems were compared. Lohmann Brown laying hens (n = 75) from 24 to 30 wk of age were used in the study. Feed and water were available ...