Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(5), 1325-1333 | DOI: 10.11118/actaun201967051325
Calving Interval of Productive PC to Increase Cattle Population Growth: A Case Study At South Sulawesi, Indonesia
- Department of Animal Science, Faculty of Science and Technology, Alauddin Makassar State Islamic University, Jl. Sultan Alauddin No.63, Romangpolong, Kec. Somba Opu, Kabupaten Gowa, Sulawesi Selatan 92113, Indonesia
This study aimed to determine the contribution of shortening the calving interval to the growth of the beef cattle population in Indonesia. It used panel data from the 2013-2016 time series and cross-sectional data from 24 districts in South Sulawesi. The variables observed were population growth (PG), productive cows (PC) which have the potential to give birth and calving interval (CI). The data were analyzed by regression of panel data using software-reviews 8. The results showed an average length of CI of 28.18 months. PC gave a positive contribution of 0.003% to PG but was not significant (p > 0.05), while CI contributed negatively to PG by -0.028% and was significantly (p < 0.05) for PG. A 1% increase in CI could decrease PG by 0.028%. On the contrary, any decreased or shortening by 1% of CI could raise PG by 0.028%. Without shortening CI, PG decrease. The shortening of the calving interval on the growth of the beef cattle population in Indonesia can be done by up to 45%, from 28.18 ±4.12 to 15.15 ±4.12 months and PG increased about 1.311% from 5.633% to 6.944%. The key to shortening CI is a change of maintenance system, from extensive to semi-intensive, and control of the mating process. Breeders should limit the length of the weaning period and maximize conceptions during the mating period.
Keywords: beef cattle, calving interval, population, productive cow
Grants and funding:
The writer would like to thank the Animal Husbandry and Animal Health Office of South Sulawesi Province for providing data and information when the research was conducted. Big gratitude is also addressed to Institute for Research and Community Service (LP2M) Alauddin Makassar State Islamic University which provides support in the process of writing this journal. Also, a big gratitude is also addressed to Catur Sugiyanto, Professor, and Director of Master of Science and Doctorate Study Program of Faculty of Economics and Business, Gajah Mada University for valuable suggestions and improvement of this paper. The entire contents of this paper are the responsibility of the writer.
Received: April 7, 2018; Accepted: October 16, 2019; Published: October 31, 2019 Show citation
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