Journal of Veterinary Medicine and Animal Health
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Article Number - D6CB1E456001


Vol.10(3), pp. 72-77 , March 2018
https://doi.org/10.5897/JVMAH2017.0642
ISSN: 2141-2529


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Full Length Research Paper

Semen characteristics, morphology and testicular parameters of Uda (ovis aries) in Ibadan, Nigeria



Matthew Olugbenga Oyeyemi
  • Matthew Olugbenga Oyeyemi
  • Department of Theriogenology, Faculty of Veterinary Medicine, University of Ibadan, Ibadan, Nigeria.
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Moyinoluwa Julianah Olusoji
  • Moyinoluwa Julianah Olusoji
  • Department of Theriogenology, Faculty of Veterinary Medicine, University of Ibadan, Ibadan, Nigeria.
  • Google Scholar







 Received: 05 September 2017  Accepted: 29 September 2017  Published: 31 March 2018

Copyright © 2018 Author(s) retain the copyright of this article.
This article is published under the terms of the Creative Commons Attribution License 4.0


The spermiogram and biometrical observations on the testes and epididymis of 20 adult Uda rams were investigated. The study was aimed at providing information on the reproductive potentials of Uda rams in Ibadan, and thus improved evaluation of breeding soundness in rams. The average age of the rams was 26.40±7.39 months, and their mean body weight was 39.80±3.00kg. The lengths of the right testes (14.34±1.24) and epididymis (20.50±2.94) as well as the circumference of the right testes (19.08±2.46) were significantly higher than their left counterparts (12.86±2.49, 18.50±3.36 and 16.40±4.35, respectively). The longer testes had a higher number of sperm cell abnormalities (23.43±4.97) compared to the shorter testes (15.03±6.91). Progressively, decreasing number of abnormalities was observed from the testes down the length of the epididymis from the head to the tail. The sperm cell abnormality that occurred most was the curved tail while the rudimentary tail was the least observed. The age was positively and significantly correlated with the body weight (r= 0.59, P<0.01) as well as most of the right testicular and epididymal parameters. The right testicular and epididymal volume was positively correlated with sperm motility of right caput epididymis (r= 0.82, P<0.05), and some other spermiogram parameters than the left which did not show any positive correlation. In conclusion, higher correlation observed between age and testicular measurements than with body weight implies that age is an important factor for selection of the Uda breed of ram.

Key words: Testes, epididymis, semen, Uda, ram, Ibadan.

Abdou MS, Hassun TM, El-Sawaf SA (1978). Testicular and epididymal sperm numbers and related parameters in the developing Awassi ram. Aust. J. Biol. Sci. 31(3):257-266.
Crossref

 

Ahemen T, Bitto II (2007). Sperm production rate, Gonadal andextragonadal sperm reserves of the West African Dwarf rams in Makurdi. Proc. of the 32nd Annu. Conf. of Nig. Soc. for Anim. Prod. pp. 99-101.

 
 

Ajani OS, Oyeyemi MO, Olusoji MJ (2015). Correlation between age, weight, scrotal circumference and the testicular and epididymal parameters of Red Sokoto bucks. J. Vet. Med. Anim. Health. 7(5):159-163.
Crossref

 
 

Besta N (2006). Effect of different dietary energy levels on productive and reproductive traits in Dorper rams. (Doctoral dissertation, University of the Free State).

 
 

Blood DC, Studdert VP, Gay CC (2007). Saunders Elsevier, St. Louis,Missouri, USA, P 2172. Available at: 

View

 
 

da Silva Santos PR, Andrighetto C, Jorge AM (2013). The correlation between age, body weight and testicular parameters in Murrah buffalo bulls raised in Brazil. J. Reprod. Dev. 59(1):14-17.
Crossref

 
 

Devendra C, McLeroy GB (1982). Goat and sheep production in the tropics. Longman.

 
 

Gemeda AE, Workalemahu K (2017). Body Weight and Scrotal-Testicular Biometry in Three Indigenous Breeds of Bucks in Arid and Semiarid Agroecologies, Ethiopia. J. Vet. Med. 2017: 5276106.
Crossref

 
 

Hassan MR, Pervage S, Ershaduzzaman M, Talukder MA (2009). Influence of age on the spermiogramic parameters of native sheep. J. Bangladesh Agric. Uni. 7(2):301-304.

 
 

Ibrahim AA, Aliyu J, Ashiru RM, Jamilu M, Ibrahim A, Aliyu J, Ashiru M, Jamilu M (2012). Biometric study of the reproductive organs of three breeds of sheep in Nigeria. Int. J. Morphol. 30(4):1597-1603.
Crossref

 
 

Koyuncu M, Kara Uzun S, Ozis S, Duru S (2005). Development of testicular dimensions and size, and their relationship to age and body weight in growing Kivircik (Western Thrace) ram lambs. Czech J. Anim. Sci. 50(6):243-248.
Crossref

 
 

Kumi-Diaka J, Adesiyun AA, Sekoni V, Ezeokoli CD (1985). Scrotal dimensions and ejaculate characteristics of three breeds of sheep in tropical Nigeria. Theriogenology 23(4):671-677.
Crossref

 
 

Land RB, Carr WR (1975). Testes growth and plasma LH concentration following hemicastration and its relationship with female prolificacy in sheep. J. Reprod. Fertil.45(3):495-501.
Crossref

 
 

Omar CA (2016). Study of some testicular dimensions and their relationship to body weight in Karadi ram lambs. Assiut Vet. Med. J. 62(150):31-38.

 
 

Zemjānis R (1962). Diagnostic and Therapeutic Techniques in Animal Reproduction. Williams & Wilkins. Available at: 

View

 

 


APA Oyeyemi, M. O., & Olusoji, M. J. (2018). Semen characteristics, morphology and testicular parameters of Uda (ovis aries) in Ibadan, Nigeria. Journal of Veterinary Medicine and Animal Health, 10(3), 72-77.
Chicago Matthew Olugbenga Oyeyemi and Moyinoluwa Julianah Olusoji. "Semen characteristics, morphology and testicular parameters of Uda (ovis aries) in Ibadan, Nigeria." Journal of Veterinary Medicine and Animal Health 10, no. 3 (2018): 72-77.
MLA Matthew Olugbenga Oyeyemi and Moyinoluwa Julianah Olusoji. "Semen characteristics, morphology and testicular parameters of Uda (ovis aries) in Ibadan, Nigeria." Journal of Veterinary Medicine and Animal Health 10.3 (2018): 72-77.
   
DOI https://doi.org/10.5897/JVMAH2017.0642
URL http://www.academicjournals.org/journal/JVMAH/article-abstract/D6CB1E456001

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