Seasonal Changes in Testicular Cell Morphology in Domestic Male Cats (Felis catus)

被引:14
|
作者
Stornelli, M. A. [1 ]
Reyna, J. C. [1 ]
Stornelli, M. C. [1 ]
Nunez Favre, R. [1 ]
Savignone, C. A. [1 ]
Tittarelli, C. M. [1 ]
de la Sota, R. L. [1 ]
机构
[1] Univ Nacl La Plata, Serv Reprod Anim, Fac Ciencias Vet, La Plata, Buenos Aires, Argentina
关键词
MELATONIN; QUALITY;
D O I
10.1111/j.1439-0531.2009.01448.x
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
摘要
The aim of this study was to asses the variation in the morphology of the seminal epithelium in relation to natural photoperiod in male cats. Tom cats (n = 240) were castrated every other week throughout the year. Each testis was. fixed in Bouin's solution and cut into sections. The percentage of tubules with round spermatids (RS), elongated spermatids (ES), tailed spermatids (TS), mature spermatids (MS) and the number of Sertoli cells (SC) and Leydig cells (LC) were recorded in each sample. Testicles from males during short days (SHD) had a higher percentage of tubules with RS and ES compared to testicles from males during long days (LHD, 31.3 +/- 0.6 vs 2.1 +/- 0.6%, p < 0.001; 30.9 +/- 0.7 vs 11.0 +/- 0.7%, p < 0.001). Conversely, testicles from males during SHD had a lower percentage of tubules with TS and MS compared to testicles from males during LHD (24.5 +/- 0.8 vs 29.7 +/- 0.8%, p < 0.01; 13.1 +/- 1.2 vs 57.0 +/- 1.2%, p < 0.01). Furthermore, testicles from males during SHD had a higher number of SC and lower number of LC compared to testicles from males during LHD (11.4 +/- 0.1 vs 8.0 +/- 0.1%, p < 0.01; 19.2 +/- 1.0 vs 38.0 +/- 1.0%, p < 0.01). In conclusion, there are seasonal changes in testis cell morphology in the tom which may be related to seasonal sperm production.,
引用
收藏
页码:287 / 290
页数:4
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