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Volume 29, Number 1-2 >

OVARIAN RESPONSE AFTER FOUR CONTINUOUS ADMINISTRATIONS OF GONADOTROPHIN IN BEEF CATTLE

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Please use this identifier to cite or link to this item:http://doi.org/10.14943/jjvr.29.1-2.1

Title: OVARIAN RESPONSE AFTER FOUR CONTINUOUS ADMINISTRATIONS OF GONADOTROPHIN IN BEEF CATTLE
Authors: KANAGAWA, Hiroshi Browse this author
ISHIKAWA, Tsune Browse this author
INOUE, Tadahiro Browse this author
Issue Date: 1-Jul-1981
Publisher: The Graduate School of Veterinary Medicine
Journal Title: Japanese Journal of Veterinary Research
Volume: 29
Issue: 1-2
Start Page: 1
End Page: 7
Abstract: After 4 repeated treatments of gonadotrophin, 8 beef cattle showed an average of 12.1,10.1,12.1 and 8.4 corpora lutea at the 1st, 2nd, 3rd and 4th treatments, respectively. However, different dosages of gonadotrophin ranging from 1,600 to 3,500IU of pregnant mare's serum gonadotrophin (PMSG), were used. "The average number of corpora lutea decreased from 12.4,8.4,9.8 and 6.0 during the 1st, 2nd, 3rd and 4th treatments respectively, when the same dose of PMSG (2,000 IU) was used. However, there was no significant difference in the number of corpora lutea among the 4 treatments observed statistically (P>0.05). In one case, there was an increase in the number of corpora lutea after the PMSG was changed to a follicle stimulating hormone (FSH). There was a significant difference in the average number of corpora lutea when the interval between administrations was less than 60 days or more than 70 (P<0.001). The number of follicles and corpora lutea were analysed statistically. There was no significant difference in the rank correlation between the follicle and the corpus luteum in each treatment.
Type: bulletin (article)
URI: http://hdl.handle.net/2115/2210
Appears in Collections:Japanese Journal of Veterinary Research > Volume 29, Number 1-2

Submitter: 獣医学部図書室

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