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All Journal Aves : Jurnal Ilmu Peternakan
Ari kustanti, Nita Opi
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Economics, Econometrics & Finance Immunology & microbiology

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PENGARUH KEPADATAN BATERAI TERHADAP PRODUKTIVITAS AYAM PETELUR DALAM KANDANG CLOSED HOUSE Sasvia Candra, Dewi; Ari kustanti, Nita Opi
AVES: Jurnal Ilmu Peternakan Vol. 17 No. 2 (2023): Desember 2023
Publisher : Universitas Islam Balitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35457/aves.v17i2.3600

Abstract

This study set out to ascertain how variations in battery density affected the body weight and egg weight of layer phase laying hens housed in closed house cages. The study ran from November 2022 through January 2023. Twelve batteries, or 180 hens, were employed in each sample for each variable. The battery that is being utilized measures 60 by 65 cm. Egg weight and body weight are the factors used. Purposive sampling is the approach utilized for data collecting; an experimental T test is used to identify differences, and a correlation test determines the strength of the association. The study's significance value is (p˃0,05), indicating that there is no significant difference in the body weight and egg weight of the eight hens in the battery compared to the density of the battery with seven chickens. It is nevertheless possible to house chickens in cages of varying densities because there is a weak link between body weight and egg weight.
EVALUASI REPRODUKSI SAPI FRIESIAN HOLSTEIN PADA BERBAGAI PARITAS Hadi, Sutrisno; Ari Kustanti, Nita Opi; Esti, Risma Novela
AVES: Jurnal Ilmu Peternakan Vol. 17 No. 2 (2023): Desember 2023
Publisher : Universitas Islam Balitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35457/aves.v17i2.3603

Abstract

The purpose.of this research is to evaluate the.reproduction of Holstein Friesian cows at various parities. The study was conducted at PT Greenfields Indonesia.Farm 2 located in Pijiombo.Hamlet, Ngadirenggo.Village, Wlingi District, Blitar. The research material used was 327 Holstein Friesian cows at parities two, three, and four, with an estimated 109 cows per parity. The variables used in the evaluation were services.per conception (S/C), conception.rate (CR), days.open (DO), and calving.interval (CI). The method used in this research was a field study using secondary data. The collected data underwent analysis through analysis of variance (ANOVA), and in case of a significant effect, Duncan's multiple range test (DMRT) was applied for further examination. The results showed.that the higher the parity of the milking cows, the lower the reproductive evaluation results (P<0.05). Parity II had the most ideal reproductive results with a.service per conception value of 1,64±0.84a times, conception rate of 55,96%, days open of 88,01±27,56a days, and calving interval of 365,71±28,38a days compared to parities III and IV which showed lower results with service per conception values of 1,95±1,17b times; 2,15±1,24b times, conception rates of 50,45%; 42,2%, days open of 99,55±39,20b days; 104,83±40,89b days, and calving intervals of 378,16±39,26b days; 383,88±40,81b days This research concludes that the higher.the parity, the lower.the reproductive evaluation results, including service per.conception (S/C), conception rate (CR), days.open (DO), and calving.interval (CI).
Co-Authors Esti, Risma Novela Sasvia Candra, Dewi Sutrisno Hadi, Sutrisno