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All Journal Animal Production
Rosidi Rosidi
Faculty of Animal Science, Jenderal Soedirman University, Purwokerto, Indonesia
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Veterinary

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The Effect of Environmental Factor, Population and Age of Duck on Egg Production Ismoyowati Ismoyowati; Imam Suswoyo; Rosidi Rosidi; Sigit Mugiyono; Nu'man Hidayat
ANIMAL PRODUCTION Vol. 22 No. 2 (2020)
Publisher : Faculty of Animal Science, Jenderal Soedirman University in associate with the Animal Scientist Society of Indonesia (ISPI) and the Indonesian Association of Nutrition and Feed Science (AINI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jap.2020.22.2.51

Abstract

Duck is one of the commodities that contribute to the national livestock production and Central Java is home to the fourth biggest duck population after West Java, South Sulawesi and East Java. The 2019 egg production in Central Java was 36.174 tons or 11.3% of the total egg production nationwide. Accordingly, it is important to investigate the effect of environmental factor, total number and age of ducks on egg production in Central Java. Specifically, this study aimed to observe the effect of region on egg production and feed conversion ratio (FCR) and the total livestock (chicken), age (month), stocking density (ducks/m2), internal housing temperature (oC), and humidity (%) on Hen day production/HDP. A survey engaging purposive random sampling was conducted on the population of duck farming in Central Java especially Tegal, Pemalang and Brebes districts. The data were subjected to General Linear Model (GLM) and a regression-correlation analysis using an SPSS program. The result showed that region significantly affected hen day production (HDP) but did not affect FCR. Housing temperature affected HDP by 14.9% and the higher the temperature, the lower the HDP. Duck age affected HDP by 11.7%, and the older the ducks the lower the egg production. Duck population, stocking density and humidity did not significantly affect egg production. Conclusively, duck egg production (HDP) is significantly affected by temperature inside the housing and the duck age.
Evaluation of Drinking Water Quality in Relation to Body Weight, Feed Efficiency, and Health of Broilers: A Case Study Rohmad Susilowarno; Elly Tugiyanti; Rosidi Rosidi; Mochammad Sugiarto; Yusmi Nur Wakhidati
ANIMAL PRODUCTION Vol. 28 No. 2 (2026)
Publisher : Faculty of Animal Science, Jenderal Soedirman University in associate with the Animal Scientist Society of Indonesia (ISPI) and the Indonesian Association of Nutrition and Feed Science (AINI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jap....447

Abstract

This study aimed to evaluate the effect of drinking water quality improvement on broiler chicken performance at CV Dua Warna Perkasa. The research employed a comparative observational study design with a pre-post intervention approach, utilizing data collected from three commercial farms before and after the implementation of a comprehensive water quality improvement program. Parameters observed included mortality rate, average body weight (ABW), Feed Conversion Ratio (FCR), Feed Efficiency (FE), and Performance Index (IP). Water quality was assessed through microbiological analysis of samples collected from the source, storage tank, and nipple points, compared against SNI 6488:2019 and Cobb-Vantress 2020 standards. Data were analyzed using descriptive statistics, an independent t-test, and Spearman's correlation. The results showed significant improvements (p < 0.001) in all performance parameters after water quality treatment. Mortality rates decreased from 12.00% to 3.77% in Dendi Farm, 10.61% to 3.49% in Endin Farm, and 13.65% to 3.58% in Noh B Farm. Average body weight (ABW) increased significantly in all farms, while FCR improved from an average of 1.731 to 1.496. The Performance Index showed remarkable improvement from an average of 301 to 449, with Cohen's d effect size of 9.42 (very large). Correlation analysis revealed a very strong relationship between water quality and production performance (Spearman's rho = 0.836-0.867; p < 0.05). The study concludes that water quality management is a critical factor in broiler production efficiency and health maintenance, with significant implications for farm profitability through improved feed efficiency and reduced mortality.
Co-Authors Elly Tugiyanti Imam Suswoyo Ismoyowati Ismoyowati Mochammad Sugiarto Nu'man Hidayat Rohmad Susilowarno Sigit Mugiyono Wakhidati, Yusmi Nur