References
- Belibasaki , S. and Kouimtzis , S. 2000 . Sexual activity and body and testis growth in prepubertal ram lambs of Friesland, Chios, Karagouniki and Serres dairy sheep in Greece . Small Rumin. Res. , 37 : 109 – 113 .
- Castrillejo , A. , Morana , A. , Bielli , A. , Gastel , T. , Molina , J. R. , Forsberg , M. and Rodriguez-Martinez , H. 1995 . Onset of spermatogenesis in Corriedale ram lambs under extensive rearing conditions in Uruguay . Acta Vet. Scand. , 36 : 161 – 173 .
- Lee , V. W. , Cumming , I. A. , de Kretser , D. M. , Findlay , J. K. , Hudson , B. and Keogh , E. J. 1976 . Regulation of gonadotrophin secretion in rams from birth to sexual maturity. I. Plasma LH, FSH and testosterone levels . J. Reprod. Fertil , 46 : 1 – 6 .
- MINITAB . 2000 . Statistical Software [Computer program manual] Web resource from http://www.minitab.com/cgi-bin/demo/democountry.aspRelease 13