Enhanced Testicular Development and Fertilizing Capacity of Boars Following Sexual Stimulation at Different Ages

Autor:	D. O. Umesiobi
Rok vydání:	2010
Předmět:	Libido endocrine system General Veterinary BOAR urogenital system Ejaculation Stimulation Biology Andrology Human fertilization Age groups Sexual stimulation Animal Science and Zoology Spermatogenesis
Zdroj:	Journal of Applied Animal Research. 37:105-108
ISSN:	0974-1844 0971-2119
DOI:	10.1080/09712119.2010.9707104
Popis:	Umesiobi, D.O. 2010. Enhanced testicular development and fertilizing capacity of boars following sexual stimulation at different ages. J. Appl. Anim. Res., 37: 105–108. Thirty six Large White boars were used to determine whether testicular development and fertilizing capacity of boars could be evaluated by sexual stimulation tests. Twelve boars were assigned to each of the three treatment groups involving 0, 5 and 10 min of sexual restraint (R) per 30 min test period and two different (300- and 450-d) age groups. Boars from each treatment group were hemi-orchidectomised immediately after sexual stimulation at 300 and 450 d of age, respectively, to evaluate testicular components (testis weight, total daily sperm production per testis, tubular diameter, tubular length, total tubular mass and total Leydig mass). Sexual stimulation of boars at 10R during 450 d of age resulted in the highest (P
Databáze:	OpenAIRE
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