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All Journal WARTAZOA Indonesian Bulletin of Animal and Veterinary Sciences
Lisa Praharani
IRIAP
Veterinary

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Factors Affecting Twinning and the Impacts of Twinning in Cattle Lisa Praharani
WARTAZOA, Indonesian Bulletin of Animal and Veterinary Sciences Vol 29, No 1 (2019): March2019
Publisher : Indonesian Center for Animal Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (218.657 KB) | DOI: 10.14334/wartazoa.v29i1.1961

Abstract

Efforts to increase cattle production can be done through increasing the population and productivity of cattle, one of which is through the birth of two offsprings per parent (twin). The incidence of twinning in cattle ranged 1-10%, and influenced by genetic/breed, parity, management, season of breeding. This paper presented factors and technology that increase twinning rate and the impacts of twin births in cattle. There are genetic and non genetic factors affecting twinning rate. Increased twin births can be done through some technologies such as selection, reproduction and management. The problems in twinnings are the high incidence of abortion, early embryonic loss, distochia, retained placenta, metabolic disorders, and ketosis resulting in longer calving interval. Intensive management to dam bearing twins can reduce the problems. Economically, the profits of twinning are different between beef and dairy cattle. Twin births give benefit to beef cattle farming through the increase in total weaning per cattle. The pros and cons of twin births occur in dairy cows farming, especially on milk production.
Inbreeding Depression and Alternative Solution in Buffaloes Lisa Praharani; Riasari Gail Sianturi
WARTAZOA, Indonesian Bulletin of Animal and Veterinary Sciences Vol 28, No 1 (2018): March 2018
Publisher : Indonesian Center for Animal Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (213.982 KB) | DOI: 10.14334/wartazoa.v28i1.1744

Abstract

Buff and dairy buffaloes have an important role in farming system to produce meat, milk, and fertilizer. Their productivity and population have been decreasing due to several reasons such as inbreeding depression and lack of sires. This paper presents alternative efforts to improve genetics of buffaloes through outbreeding fascilitated by artificial insemination (AI) and estrus synchronization to decrease inbreeding rates. Effort to reduce inbreeding depression is conducted by introducing new buffalo genes from distant populations known as outbreeding. Indonesian Research Institute for Animal Production has initiated an outbreeding program in buffalo through AI. The pregnancy rate varies between 40-80% using estrus synchronization with prostaglandin and fixed time AI. Outbred offsprings have higher growth performance and selling price than offsprings of natural breeding. The outbreeding program through AI in buffaloes need to be carried out sustainability to increase availability of qualified breeding stocks.
Co-Authors Riasari Gail Sianturi