Abstract
This work was carried out on 86 buffalo calves in two fattening farms .One (Farm1) in old land (village) and the other (Farm 2) in the reclaimed land (new land called El-Mrog land) in Oscor village, El-Saff city, Giza governorate. 34 calves in farm (1), divided to 19 were greater than one year (Average body weight between 230- 270 kg) and 15 calves less than one year of age (Average body weight between 168-205 kg). And 52 calves in the second (Farm 2), also divided to 34 calves greater than one year (Average body weight between 191-234 kg) and 18 calves less than one year of age (Average body weight between 61-156 kg). The present work was carried out to compare the growth performance and physiological response under two different conditions. It was resulted that the calves in farm 1 (in the old land) were better for growth rate and physiological responses than farm 2 (reclaimed land). The buffalo calves were successful live in the reclaimed land with harsh conditions. The higher values of boy weight (BW) and average body gain (ADG) were recorded at summer than winter. Economically, prefer fattening buffalo calves over one year. Accordingly, buffalo breeding in the reclaimed land give good production.
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