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Paper Information

Journal:   RESEARCH ON ANIMAL PRODUCTION   SPRING-SUMMER 2012 , Volume 3 , Number 5; Page(s) 65 To 76.
 
Paper: 

MONTHLY CHANGES OF TESTICULAR LENGTH, SCROTAL CIRCUMFERENCE AND SEMEN CHARACTERISTICS OF DALLAGH RAM IN BREEDING AND NON BREEDING SEASON

 
 
Author(s):  HASSANPOUR YAHIYA*, JAFARI AHANGARI YOSEF, AHMADI HAMEDANI MAHNAZ
 
* ISLAMIC AZAD UNIVERSITY, GHAEMSHAHR BRANCH
 
Abstract: 

The aim of this study was investigation of monthly changes of semen characteristics, length and scrotal circumference in Dallagh rams. Semen samples were collected from four healthy and mature rams of 3-4 years old with an average body weight of 45±5 kg with an electro ejaculator in once three weeks since June to November 2008. Results showed that the effect of months on scrotal circumference, testicular length, viability, motility, wave motion and minor defects spermatozoa were not significant (p>0.05).
Maximum testicular length, motility and the minimum minor defect were observed in October while the maximum viability and scrotal circumference were observed in July.
Effect of months on major defects was significant (p<0.05) and the maximum major defects were observed in June. The effect of months on testis and semen characteristics were not significant. It can be concluded that the reproductive activities of Dallagh rams were not affect by season probably and they had reproductive capability throughout months of experiment. Therefore it seems Dallagh rams have lower sensitivity to changes of day length and breeding season and canbe used for mating ewes in favorable time until lambing occur in suitable season.

 
Keyword(s): LENGTH AND SCROTAL CIRCUMFERENCE, SEMEN CHARACTERISTICS, DALLAGH RAM, BREEDING AND NON BREEDING SEASON
 
 
References: 
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Citations: 
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+ Click to Cite.
APA: Copy

HASSANPOUR, Y., & JAFARI AHANGARI, Y., & AHMADI HAMEDANI, M. (2012). MONTHLY CHANGES OF TESTICULAR LENGTH, SCROTAL CIRCUMFERENCE AND SEMEN CHARACTERISTICS OF DALLAGH RAM IN BREEDING AND NON BREEDING SEASON. RESEARCH ON ANIMAL PRODUCTION, 3(5), 65-76. https://www.sid.ir/en/journal/ViewPaper.aspx?id=346664



Vancouver: Copy

HASSANPOUR YAHIYA, JAFARI AHANGARI YOSEF, AHMADI HAMEDANI MAHNAZ. MONTHLY CHANGES OF TESTICULAR LENGTH, SCROTAL CIRCUMFERENCE AND SEMEN CHARACTERISTICS OF DALLAGH RAM IN BREEDING AND NON BREEDING SEASON. RESEARCH ON ANIMAL PRODUCTION. 2012 [cited 2021October24];3(5):65-76. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=346664



IEEE: Copy

HASSANPOUR, Y., JAFARI AHANGARI, Y., AHMADI HAMEDANI, M., 2012. MONTHLY CHANGES OF TESTICULAR LENGTH, SCROTAL CIRCUMFERENCE AND SEMEN CHARACTERISTICS OF DALLAGH RAM IN BREEDING AND NON BREEDING SEASON. RESEARCH ON ANIMAL PRODUCTION, [online] 3(5), pp.65-76. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=346664.



 
 
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