2012, Number 3
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Vet Mex 2012; 43 (3)
Comparative study among Soviet Chinchilla rabbits, an indigenous breed and a black hybrid rabbit under agro climatic conditions of the Meghalaya, India Region
Das SK, Tena-Betancourt E
Language: English/Spanish
References: 27
Page: 201-211
PDF size: 135.22 Kb.
ABSTRACT
This work had the aim to meet the demand of local tribal people of the North eastern hills (NEH) region and to evaluate
the beneficial heterotic effects of crossbreeding, developing a black-coated rabbit through the crossing of Soviet Chinchilla
and indigenous local rabbits, followed by selection and line breeding to maintain the exotic blood level at 50%. Afterwards,
a comparative study was done analyzing the different performance traits of Soviet Chinchilla, indigenous local rabbit and
the resulting hybrid black rabbits. Data analysis revealed breed-dependent (P ‹ 0.01) effect on all productive traits except
on live weight at 60 days. The hybrid black rabbit developed through crossbreeding and line breeding was better than both,
the indigenous local rabbit and the Soviet Chinchilla rabbits in terms of live weight at 60, 75 and 90 days of age, live weight
gain and average daily gain during 45 to 60 days, 60 to 75 days and 45 to 90 days of age. Overall, mean growth during the
period of 45 to 90 days of age in black, local and Soviet Chinchilla rabbits was recorded to be 18.71 ± 0.11, 17.60 ± 0.16 and
16.23 ± 0.21 g per day, respectively. The average air temperature, maximum temperature, minimum temperature and relative
humidity during the period of this experiment was 24.44°C, 27.16°C, 16.54°C and 66.16%, respectively. Finally, this research
demonstrated that deliberate selection in rabbits leads to improvement in quantitative productive traits.
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