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

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HASSANPOUR YAHIYA; JAFARI AHANGARI YOSEF; AHMADI HAMEDANI MAHNAZ

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Journal: Research On Animal Production Year:2012 | Volume:3 | Issue:5 Page(s): 65-76

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Title

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 | Issue Writer Certificate

Keywords

LENGTH AND SCROTAL CIRCUMFERENCEQ2

SEMEN CHARACTERISTICSQ2

DALLAGH RAMQ2

BREEDING AND NON BREEDING SEASONQ2

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.

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APA: Copy

HASSANPOUR, YAHIYA, JAFARI AHANGARI, YOSEF, & AHMADI HAMEDANI, MAHNAZ. (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. SID. https://sid.ir/paper/241459/en

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[Internet]. 2012;3(5):65-76. Available from: https://sid.ir/paper/241459/en

IEEE: Copy

YAHIYA HASSANPOUR, YOSEF JAFARI AHANGARI, and MAHNAZ AHMADI HAMEDANI, “MONTHLY CHANGES OF TESTICULAR LENGTH, SCROTAL CIRCUMFERENCE AND SEMEN CHARACTERISTICS OF DALLAGH RAM IN BREEDING AND NON BREEDING SEASON,” RESEARCH ON ANIMAL PRODUCTION, vol. 3, no. 5, pp. 65–76, 2012, [Online]. Available: https://sid.ir/paper/241459/en

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