Indian Journal of Animal Research

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Research Article

Indian Journal of Animal Research, volume 50 issue 6 (december 2016) : 905-908

Effect of  light and dark shift on post natal development of ovary in rabbit (Oryctolagus Cuniculus)#

Arpana Priyanka Minj*, Partha Das, Rajesh Ranjan, Pinki Kumari
1<p>Department of Veterinary Anatomy and Histology,&nbsp;West Bengal University of Animal and Fishery Sciences, Belgachia, Kolkata-700 037, India</p>
Cite article:- Minj* Priyanka Arpana, Das Partha, Ranjan Rajesh, Kumari Pinki (2016). Effect of light and dark shift on post natal development of ovary in rabbit (Oryctolagus Cuniculus)# . Indian Journal of Animal Research. 50(6): 905-908. doi: 10.18805/ijar.8424.

ABSTRACT

Female rabbits from the age of 9 weeks till age of maturity were reared in two separate groups under long (16L: 8D) and short (12L: 12D) photoperiods. Does reared under long photoperiod showed increased body weight and ovary weight body weight ratio as compared to does reared under short photoperiod. At 15 weeks of age Graafian follicles appeared for the first time in long photoperiod group while the same appeared in the short photoperiod group at 19 weeks of age. At pre-pubertal and pubertal age the serum concentration of FSH and LH were more in long photoperiod animals as compared to those of short photoperiod animals.  

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