TY - JOUR TT - Economical and Biologial Effects of Use of Urea Like Protein Source on Rabbit Races of White New Zealand, California and Chinchilla AU - Demirel, Ramazan AU - Fidan, Halil PY - 1999 DA - June JF - Lalahan Hayvancılık Araştırma Enstitüsü Dergisi PB - Uluslararası Hayvancılık Araştırma ve Eğitim Merkezi Müdürlüğü WT - DergiPark SN - 1016-877X SP - 0 EP - 0 VL - 39 IS - 1 KW - Biyolojik Etkinlik KW - Ekonomik Etkinlik KW - Canlı Ağırlık KW - Yem Değerlendirme KW - Üre KW - Rasyon KW - Tavşan. N2 - This research has been done with rabbit races of White New Zealand, California and Chinchilla. Effect of rations of high protein, low protein and containing urea with protein ration examined the feed efficiency. Experiment has been continued on three main groups(I.Ration, II.Ration, III.Ration Groups). Each mean group was formed three subgroups(White New Zealand, California and Chinchilla)and each subgroup was included 12 rabbits for each race. Then, the daily weight gain, the feed consumption and the feed conversion were determined by subgroups. All these values were not statisticaly significant. With the ration is contained urea, two months old rabbits were fed on 6 weeks and coefficients of gains in liveweight is 55.6 % on California rabbit, 49.0 % on White New Zeland rabbits and 47.0 % on Chinchilla rabbits UR - https://dergipark.org.tr/tr/pub/lahaed/issue//464982 L1 - https://dergipark.org.tr/tr/download/article-file/544023 ER -