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Paper Information

Journal:   ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ)   2015 , Volume 25 , Number 4; Page(s) 35 To 44.
 
Paper: 

EFFECTS OF OXYTOCIN AND PROSTAGLANDIN F2α HORMONES ON REPRODUCTIVE PERFORMANCE OF ARABIAN RAMS

 
 
Author(s):  YUSSEFIAN M., TABATABAEI VAKILI S.*, MAMOUEI M., MIRZADEH KH., CHAJI M.
 
* DEPARTMENT OF ANIMAL SCIENCE, FACULTY OF ANIMAL AND FOOD SCIENCE, RAMIN AGRICULTURE AND NATURAL RESOURCES UNIVERSITY OF KHUZESTAN, AHWAZ, IRAN
 
Abstract: 

BACKGROUND: Oxytocin and prostaglandin F2a are effective on male reproductive function.
OBJECTIVES: This experiment was carried out to evaluate the effects of oxytocin and prostaglandin F2
a injection on reproductive activity of Arabian rams.
METHODS: In breeding season, twelve Arabian rams with the nearly same age (average 2.5 years old), weight (average 64 Kg) and similar feeding conditions were assigned as a completely randomized design into three treatments: 1- control (without hormone injection), 2- oxytocin injection (7 IU, IV) and 3- PGF2
a injection (4 mg dinoprost, IM). About 15 minutes after each injection, semen (with ejaculator) and blood samples were taken. Testicular circumference and height were measured. The time interval between the beginning of electrical stimulation to ejaculation was recorded. This experiment was repeated weekly for 4 weeks (16 observations for each treatment). The testosterone concentration in seminal and blood plasma was determined using radioimmunoassay.
RESULTS: The testis dimensions were not affected by treatments. The time interval stimulation to ejaculation in hormonal treatments was higher than control (P<0.05). The Highest and lowest values of the semen volume, spermatozoa density, total numbers of spermatozoa and spermatozoa progressive motility were related to oxytocin and control treatments, respectively (P<0.05). Furthermore, the amount of these parameters in prostaglandin treatment was less than the oxytocin group (P<0.05). The percentage of live sperms in oxytocin treatment was higher than others (P<0.05). Both of the hormones caused the higher spermatozoa morphological defects than control (P<0.05). There were no significant differences in blood and seminal plasma testosterone values among treatments.
CONCLUSIONS: In general, the oxytocin and prostaglandin F2
a injection to Arabian ram in breeding season, reduced the time interval stimulation to ejaculation and improved the most quantity and quality parameters of spermatozoa.

 
Keyword(s): ARABIAN RAM, OXYTOCIN, PGF2α, REPRODUCTIVE PERFORMANCE
 
 
References: 
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APA: Copy

YUSSEFIAN, M., & TABATABAEI VAKILI, S., & MAMOUEI, M., & MIRZADEH, K., & CHAJI, M. (2015). EFFECTS OF OXYTOCIN AND PROSTAGLANDIN F2α HORMONES ON REPRODUCTIVE PERFORMANCE OF ARABIAN RAMS. ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ), 25(4), 35-44. https://www.sid.ir/en/journal/ViewPaper.aspx?id=508669



Vancouver: Copy

YUSSEFIAN M., TABATABAEI VAKILI S., MAMOUEI M., MIRZADEH KH., CHAJI M.. EFFECTS OF OXYTOCIN AND PROSTAGLANDIN F2α HORMONES ON REPRODUCTIVE PERFORMANCE OF ARABIAN RAMS. ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ). 2015 [cited 2021May18];25(4):35-44. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=508669



IEEE: Copy

YUSSEFIAN, M., TABATABAEI VAKILI, S., MAMOUEI, M., MIRZADEH, K., CHAJI, M., 2015. EFFECTS OF OXYTOCIN AND PROSTAGLANDIN F2α HORMONES ON REPRODUCTIVE PERFORMANCE OF ARABIAN RAMS. ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ), [online] 25(4), pp.35-44. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=508669.



 
 
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