Superovulation and egg recovery in goats in the tropics.

Y. Rosnina, M. R. Jainudeen, Nihayah Mohammad

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

The superovulatory response to gonadotrophin treatment during different months of the year was investigated in Kambing kacang goats, a tropical breed, in Malaysia. Sixty-three cycling does, fitted with progesterone impregnated intravaginal sponges for 17 days, received two days before sponge withdrawal, an intramuscular injection of either 10, 15 or 20 mg of follicle stimulating hormone (FSH) or 500, 1000 or 1500 iu of equine chorionic gonadotrophin (eCG). The dose of FSH was divided into four decreasing daily doses and each daily dose was subdivided into two and administered at 07.00 and 19.00. Fifty-four does detected in oestrus were mated with fertile bucks. The ovarian response was determined by laparoscopy and eggs were recovered surgically five or six days after oestrus. The ovulatory response (mean +/- standard deviation) based on corpora lutea was higher in the FSH (13.4 +/- 8.4 corpora lutea per doe, n = 20) than the eCG-treated groups (6.4 +/- 5.1 corpora lutea per doe, n = 25) but the difference was not significant (P greater than 0.05). Does responded to gonadotrophins throughout the year with more than 50 per cent of does responding during the rainy months compared with less than 35 per cent responding during the dry months. This difference was statistically significant (P less than 0.05). Egg recovery was better in the FSH (6.8 +/- 5.3 per doe, n = 20) than the eCG groups (3.0 +/- 3.8 per doe, n = 21) but the difference was not significant (P greater than 0.05).

Original languageEnglish
Pages (from-to)97-99
Number of pages3
JournalVeterinary Record
Volume130
Issue number5
Publication statusPublished - 1 Feb 1992
Externally publishedYes

Fingerprint

Superovulation
superovulation
follicle-stimulating hormone
Follicle Stimulating Hormone
Equine Gonadotropins
equine chorionic gonadotropin
Goats
Ovum
Corpus Luteum
tropics
Chorionic Gonadotropin
goats
corpus luteum
Estrus
Porifera
gonadotropins
Gonadotropins
estrus
dosage
controlled internal drug release devices

ASJC Scopus subject areas

  • veterinary(all)

Cite this

Superovulation and egg recovery in goats in the tropics. / Rosnina, Y.; Jainudeen, M. R.; Mohammad, Nihayah.

In: Veterinary Record, Vol. 130, No. 5, 01.02.1992, p. 97-99.

Research output: Contribution to journalArticle

Rosnina, Y, Jainudeen, MR & Mohammad, N 1992, 'Superovulation and egg recovery in goats in the tropics.', Veterinary Record, vol. 130, no. 5, pp. 97-99.
Rosnina, Y. ; Jainudeen, M. R. ; Mohammad, Nihayah. / Superovulation and egg recovery in goats in the tropics. In: Veterinary Record. 1992 ; Vol. 130, No. 5. pp. 97-99.
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