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C. Arman
Faculty of Animal Science, Mataram University, West Nusa Tenggara, Jl. Majapahit No. 62, Mataram, Lombok, NTB 83125
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences

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EFFECT OF COMBINATION OF GnRH AND PGF2α FOR ESTRUS SYNCHRONIZATION ON ONSET OF ESTRUS AND PREGNANCY RATE IN DIFFERENT POSTPARTUM IN SWAMP BUFFALO IN KAMPAR REGENCY Yendraliza, Y.; Zesfin, B.P.; Udin, Z.; Jaswandi, J.; Arman, C.
Journal of the Indonesian Tropical Animal Agriculture Vol 36, No 1 (2011): (March)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.36.1.9-13

Abstract

The purposes of this study were to investigate the effect of administration of GnRH and PGF2α ononset of estrus and conception rate in different postpartum swamp buffalo (Bubalus bubalis). Twentypostpartum (pp) buffalo-cows were divided into four groups of five buffaloes as follows: Group A (30day pp), Group B (45 dpp), Group C (60 dpp), and Group D (75 dpp). The buffaloes in each group wereinjected intramuscularly with 3 ml GnRH at day 0, followed by intramuscular injection of 2.5 ml PGF2α,10 ml) at day 7 after GnRH injection. Observation of estrus was performed 24 h after injection of PGF2α.Artificial insemination was performed 18 h after estrus signs clearly visible. The result of study showedthat there were no difference (p>0.05) among treatments on the percentages of estrus (100%), onset ofestrus (37.4 to 38.4 h), duration of estrus (16.8 to 18.2 h) and conception rate (100%). In conclusion,buffalo-cows in Kampar Regency can be served as early as 30 days post partum using combination of 3ml GnRH and 2.5 ml of PGF2α.
CONCEPTION RATES AND SEX CONCOMITANT OF BALI CALVES FOLLOWING OESTRUS SYNCHRONIZATION AND ARTIFICIAL INSEMINATION OF FROZEN- SEXED SEMEN UNDER FARM CONDITIONS Said, S.; Arman, C.; Tappa, B.
Journal of the Indonesian Tropical Animal Agriculture Vol 39, No 1 (2014): (March)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.39.1.10-16

Abstract

The objective of this study was to determine the conception rate of Bali cattle synchronized andartificially inseminated with frozen thawed sexed-semen concomitant with its calves sex. Thisexperiment was conducted in two cattle farms in West Lombok Regency. Oestrus was synchronized witha single injection i.m. of 5 cc Lutalyse ® containing 25 mg of PGF 2α (Lutalyse, Sterile Solution,Pharmacia Animal Health). The observation was conducted in the responded cattle that artificiallyinseminated at once oestrus. Pregnancy diagnosis was conducted by rectal palpation at about day-90. InFarm 1, the conception rate (CR) of PGF 2α -treated and non-treated animals were 29/63 (46.03%) and71/75 (94.66%), respectively. However, in Farm 2 the corresponding values were 38/89 (42.70%) and10/23 (43.48%), respectively. CR in both farms were found being 100%. Sex concomitant rate forfemale calves born in Farm 1 was found being 94/100 (94.00%), whilst in Farm 2, sex concomitant ratefor male calves born was recorded to be 45/48 (93.75%). It was concluded that under farm conditionsoestrus synchronization using PGF 2α in conjunction with AI of frozen-thawed Bali sexed spermatozoamight be used with acceptable conception and calving rates that above 90 % concomitant with itsrespective calve-sex rates.
Co-Authors B. Tappa B.P. Zesfin Jaswandi . S. Said Yendraliza - Z. Udin