Asian Journal of Bio Science

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Photoperiodic Regulation of Testicular Growth in a Male Migratory Bird, Emberiza Bruniceps Under Natural Day Length


Affiliations
1 National Council of Educational (NCERT) New Delhi, India
2 Regional Institute of Education, Shyamla Hills, Bhopal (M.P.), India
     

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Red headed bunting Emberiza bruniceps is a long distant palaearctic Indian migratory small passerine finch, is captive bird show periodic cycles in gonadal growth. The changes in testicular size occur, and correspond to the increasing day lengths of spring and early summer (Jain and Kumar, 1995). This is a photoperiodic bird that follow the annual solar cycle for gonadal growth.
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  • Photoperiodic Regulation of Testicular Growth in a Male Migratory Bird, Emberiza Bruniceps Under Natural Day Length

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Authors

B. K. Tripathi
National Council of Educational (NCERT) New Delhi, India
Umesh Gaur
Regional Institute of Education, Shyamla Hills, Bhopal (M.P.), India

Abstract


Red headed bunting Emberiza bruniceps is a long distant palaearctic Indian migratory small passerine finch, is captive bird show periodic cycles in gonadal growth. The changes in testicular size occur, and correspond to the increasing day lengths of spring and early summer (Jain and Kumar, 1995). This is a photoperiodic bird that follow the annual solar cycle for gonadal growth.