OBSERVASI SIKLUS ESTRUS PADA ANOA (Bubalus depressicornis) DI ANOA BREEDING CENTRE MANADO
Abstract
ABSTRACT
OBSERVATION OF ANOA (Bubalus depressicornis) ESTRUS CYCLE IN ANOA BREEDING CENTRE OF MANADO . Anoa is endemic to the island of Sulawesi and the biggest wild animal among fauna in Sulawesi. This anoa population is decreasing, so that the population needs sustainable conservation involving good reproduction management. The strategy of the reproduction management was knowledge of this animal reproduction cycles including estrus cycles of anoa at the Anoa Breeding Centre Manado. Objective of this study was to evaluate estrus cycles of anoa. Materials used in this study were four heads of female anoa at ages of 2.5, 6,5, 7 and 8 years old. Data were collected by focal animal sampling on each female anoa (Manis, Denok, Anna and Rita). Estrus detection was applied using non-automatically estrus detection method. Estrus observation was conducted daily at 06.00-18.00 Indonesian central time. Estrus anoa was detected on the basis of the visual estrus symptom (VES) and readiness of female anoa receiving the female to copulate. Rectal temperature was measured daily in the morning and afternoon using thermometer. Results showed that based on observation of VES revealed the estrus symptom including nervous, urination, shaking tail, reddish vulva, swelling vulva and transparent mucus from vulva, coming near male anoa, smelling the male genital, attempting to mount another anoa, being mounted by anotherand stands to be mounted by one of her herdmates. Estrus time period was a day with estrus cycles of 26 days (Manis), 30 days (Denok). Average of rectal temperatures was 41.7o C. It can be concluded that estrus cycles of anoa at Anoa Breeding Centre Manado was ranging from 26-30 days with estrus period was one day.
Key words: anoa, estrus cycles, estrus symptom.
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PDFDOI: https://doi.org/10.35792/zot.36.2.2016.12568
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