الفهرس 
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Abstract
This study was carried out at the rabbit farm belong to Animal Wealth Development- Faculty of Veterinary Medicine- Zagazig University during a period from 1st April to 4th June 2017. 75 New Zealand White rabbits weaned at 4-week of age were used in this study weighed (545±3.4 g) and they were housed in cages (50x50x50 cm). Rabbits were assigned into three stocking densities (12, 20 and 28 rabbits/m2). All rabbits had the same program of management, housing, feeding and drinking to study the effect of stocking density on growth performance, carcass traits, some hematological and biochemical parameters, and gene expression of heat shock protein 70 (HSP70) and insulin like growth hormone-1(IGF-1) from weaning till 13-weeks of age.
These results cleared the following:
Growth Performance:
Stocking density had a significant effect on growth performance whereas, rabbits stocked at 12 rabbits/m2 highest final body weight, body weight gain and feed intake (2210.87 g/d, 26.73 g/d and 83.35 g/d, respectively) with the best food/gain ratio (3.16) while rabbits stocked at 28 rabbits/m2 had the lowest final body weight, body weight gain and feed intake (1866.46 g/d, 21.61 g/d and 72.03 g/d, respectively) with the worst food/gain ratio (3.75).