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All Journal Hasanuddin Journal of Animal Science (HAJAS)
Sudirman Baco
Department of Animal Production, Faculty of Animal Husbandry, Hasanuddin University, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Economics, Econometrics & Finance Immunology & microbiology

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Performance of Eggs White-Nest Swiftlet (Collocalia fuciphaga) on Artificial and Natural Hatching Nurul Amin; Sudirman Baco; Herry Sonjaya; Wempie Pakiding
Hasanuddin Journal of Animal Science (HAJAS) Vol. 3 No. 2 (2021)
Publisher : Faculty of Animal Science, Hasanuddin University, Makassar, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/hajas.v3i2.18094

Abstract

Abstract White-nest swiftlet (Collocalia fuciphaga) has a high export economic value. The nest is produced from the saliva of the swiftlet. Presently, its method of producing swiftlet chick is through the natural breeding process.  Until now, white-nest swiftlet has not been cultivated so that the method of procuring Swiftlet chicks is still using the parent. Therefore, to see the prospects for the cultivation of this bird, another way is needed to procure swiftlets by incubating the eggs using an incubator and looking at the physical characteristics of the eggs. This study aims to examine the performance of white-nest-swiftlet eggs in natural and artificial hatching in producing swiftlet chicks. The method was used the descriptive analysis method and t-test. The physical characteristics obtained were an average egg weight of 1.94±0.13 g, egg diameter 13.28±0.56 mm, egg length 21.01±0.78 mm, shell thickness 0.14±0.02 mm. Artificial hatching results obtained were 83%, hatchability 44%, and hatching weight 1.37±0.13 g. Age of embryonic death obtained early: 38.5%, middle: 9.8%, late: 21%. Natural hatching resulted in 100% fertility, 100% hatchability, hatching weight 1.42±0.11 g., and 0% mortality. Artificial hatching is an alternative for developing white nest-swiftlet. Keywords: Natural, artificial, fertility, hatchability, mortality
Development of Bali Cattle in Smallholder Farm Based on Population Structure in Maiwa Enrekang Regency Muhammad Farid Abbas; Sudirman Baco; Muhammad Hatta
Hasanuddin Journal of Animal Science (HAJAS) Vol. 3 No. 2 (2021)
Publisher : Faculty of Animal Science, Hasanuddin University, Makassar, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/hajas.v3i2.18730

Abstract

Abstract This study was conducted to determine the improvement of the Bali cattle population in smallholder farms based on the structure of population. This research was carried out from September to November 2019 at the Maiwa Breeding Center Partnership, Enrekang Regency. The type of research used was descriptive research, which we study that describes the variable condition, that are birth rates, mortality, sales, purchases, and population structure at the smallholder farm. The first stage was to collect data by direct observation in the field. The second stage was to carry out tabulation and data analysis. The results of the research were that the increased of Bali cattle at the Maiwa smallholder farm partnership in Maiwa Breeding Center in Enrekang Regency was influenced by calving rate of cows. The calving rate was founded  was 23% in 2017, 32% in 2018, and 46% in 2019, respectively. The mortality rate and sales of cattle was 6%in 2017, 4% in 2018 and 17% in 2019, respectively. The population dynamics was affected by calving rate, mortality and sales livestock in a year. Prediction of population growth increased gradually (7% a year) from 2020 to 2025 based on the population structure of Smallholder Farm in 2019. It is expected that the calving rate is at least 60% in a year. Keywords : Population dynamics, calving rate, mortality rate, birth rate, population growth
Co-Authors Herry Sonjaya Muhammad Farid Abbas Muhammad Hatta Nurul amin, Nurul Wempie Pakiding