Seasonal variation in semen characteristics of Chios and Friesian rams in Greece

Small Ruminant Research

Volumn 37, Issue 1-2, 2000, Pages 125-130

  Karagiannidis, A ^a   Varsakeli, S ^b   Alexopoulos, C ^a   Amarantidis, I ^a  

^a ARISTOTLE UNIVERSITY OF THESSALONIKI   (Greece)

^b INSTITUTE OF TECHNOLOGY OF AGRICULTURAL PRODUCTS   (Greece)

Author keywords

Ram; Seasonal variation; Semen

Indexed keywords

EID: 0034123180     PISSN: 09214488     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0921-4488(99)00143-1     Document Type: Article

References (17)

1. Baril, G., Chemineau, P., Cognié, Y., Guérin, Y., Leboeuf, B., Vallet, J.C., 1993. Manuel de formation pour l'insémination artificielle chez les ovins et les caprins (Training Manual on Artificial Insemination in Sheep and Goats), 1st Edition. FAO, Rome, p. 219.
2. Cappai, P., Manunta, G., Branca, A., 1981. Variazioni stagionali delle caratteristiche dell eiaculato in arieti di razza Sarda, Romanov e meticci Frisona X Sarda (Seasonal variations of the ejaculate characteristics in rams of Sarda, Romanov breed and crosses of Friesian X Sarda), IV Cong. della Soc. Italiana di patologia di allevamento degli ovini e dei caprine, Alghero.
3. Colas G. Variations saisonnières de la qualité du sperme chez le bélier Ile-de-France: 1. Etude de la morphologie cellulaire et de la motilité massale (Seasonal variations of sperm quality in adult Ile-de-France rams: 1. Study of cellular morphology and massal motility of sperm). Reprod. Nutr. Dev. 18:1980;1789-1799.
4. Colas G., Guerin Y., Lemaire Y., Montassier Y., Despierres J. Seasonal variations in the testicular diameter and sperm morphology of Vendean and Texel rams. Reprod. Nutr. Dev. 26:1986;863-875.
5. Colas G., Lefébvre J., Guérin J. Recherche d'une prévision précoce de l'amplitude des variations saisonnières du diamètre testiculaire et du pourcentage de spermatozoïdes anormaux chez le bélier Ile-de-France: 1. Animaux nés en février (Early prediction of the magnitude of seasonal variations in testicular diameter and percentage of abnormal spermatozoa in Ile-de-France rams: 1. Animals born in February). Reprod. Nutr. Dev. 28:1988;589-601.
6. Colas G., Lefébvre J., Guérin J. Etude de la transmission père-fils des variations saisonnières du diamètre testiculaire et du pourcentage de spermatozoïdes anormaux chez le bélier Ile-de-France: 1. Fils nés en février (Father-male offspring transmission of seasonal variations in testis diameter and percentage of abnormal sperm in the Ile-de-France rams: 1. Male offspring born in February). Reprod. Nutr. Dev. 30:1990;589-603.
7. Dacheux J.L., Pisselet C., Blanc M.R., Hochereau-de-Reviers M.-T., Courot M. Seasonal variations in rete testis fluid secretion and sperm production in different breeds of ram. J. Reprod. Fert. 61:1981;363-371.
8. Folch, J., 1983. Influence of age, photoperiodism and temperature on semen production of rams. In: Courot, M. (Ed.), The Male in Farm Animal Reproduction. Martinus Nijhoff Publishers, Amsterdam.
9. Folch J., Colas G. Caracteres seminales y poder fecundante del esperma de morueco de las razas Ile-de-France y Berrichon-du-Cher (Seminal characteristics and fertilizing power of the sperm of Ile-de-France and Berrichon-du-Cher ram breeds). An. Ins. Nac. Inv. Agr. 10:1979;117-127.
10. Folch J., Roca R. Importance de l' activité sexuelle du mâle dans le développement du croisement industriel en Espagne (Importance of the male sexual activity in the development of industrial crossing in Spain). Options Méditerranéennes. 3:1981;135-141.
11. Haynes, N.B., Schanbacher, B.D., 1983. The control of reproductive activity in the ram. In: Haresign, W. (Ed.), Sheep Production. Butterworth, London, pp. 421-451.
12. Ibrahim S.A. Seasonal variations in semen quality of local and crossbred rams raised in the United Arab Emirates. Anim. Reprod. Sci. 49:1997;161-167.
13. Mandiki S.N.M., Derycke G., Bister J.L., Paquay R. Influence of season and age on sexual maturation parameters of Texel, Suffolk and Ile-de-France rams: 1. Testicular size, semen quality and reproductive capacity, semen quality and reproductive capacity. Small Rumin. Res. 28:1998;67-79.
14. Mann, T., Lutwac-Mann, C., 1981. Male reproductive function and semen. Springer, Berlin, New York, pp. 269-326.
15. Mohamed, S.A., 1978. Studies on some reproductive characters of native sheep. MSc. Thesis, Animal Production Dept., Faculty of Agriculture, Cairo Univ., Egypt, pp. 86-110.
16. Nowakowski P., Cwikla A. Seasonal variation in testis size in Polish Merino rams and its relationship to reproductive performance in spring. Theriogenology. 42:1994;613-622.
17. Steel, R.G.D., Torrie, J.M., 1980. Principles and Procedures in Statistics. McGraw-Hill, New York.