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All Journal Jurnal Ilmu-Ilmu Peternakan (Indonesian Journal of Animal Science) Jurnal Ternak Tropika
Arif, Ani Atul
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Effects of Pre-Hatch Thermal Programming on Internal Organ Development of Crossbred Chickens in The First Week Post-Hatch Andri, Faizal; Marwi, Filoza; Arif, Ani Atul; Sudjarwo, Edhy
TERNAK TROPIKA Journal of Tropical Animal Production Vol. 25 No. 2 (2024): TERNAK TROPIKA Journal of Tropical Animal Production
Publisher : Jurusan Produksi Ternak, Fakultas Peternakan, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtapro.2024.025.02.10

Abstract

This study evaluated the effects of pre-hatch thermal programming on internal organ development of crossbred chickens in the first week post-hatch. A total of 200 fertile eggs from a crossbreed of male local chickens and commercial laying hens were used in this study. The average egg weight was 62.76 ± 4.40 g with a coefficient of variation was 7.01%. The eggs were randomly distributed into four treatment groups, each with five replicates (10 eggs per replicate). The treatments were T0: standard incubation maintained at 37.50°C throughout the entire incubation period (control); T1: standard incubation with a 6-hour daily increase to 38.50°C from days 10-18, T2: standard incubation with a 6-hour daily increase to 39.50°C from days 10-18, and T3: standard incubation with a 6-hour daily increase to 40.50°C from days 10-18. After hatch, the chicks were reared for a week and evaluated for internal organ development. The results showed that there were no significant differences among treatments (P>0.05) for all measured variables, including the absolute weights (g) and relative percentages (%) of the internal organ. The absolute weight of the heart, liver, proventriculus, gizzard, and intestine were ranged from 0.69 to 0.84, 2.68 to 2.93, 0.74 to 0.87, 6.48 to 7.05, and 7.94 to 8.42 g, respectively. Whereas, the relative weight of the heart, liver, proventriculus, gizzard, and intestine were ranged from 0.89 to 1.12, 3.46 to 3.79, 0.95 to 1.13, 8.29 to 9.11, 10.24 to 10.82%, respectively. It could be concluded that pre-hatch thermal programming can be considered a safe strategy without compromising internal organ development of crossbred chickens in the early post-hatch period.
Characteristics of the Morphology and Hatchability of Egg White Nest Swiftlets (Aerodramus fuciphagus) under Artificial Incubation Conditions Wenas, Karl; Hartandi, Nugroho; Arif, Ani Atul; Andri, Faizal; Minarti, Sri; Isnaini, Nurul
Jurnal Ilmu-Ilmu Peternakan Vol. 35 No. 1 (2025): April 2025
Publisher : Faculty of Animal Science, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jiip.2025.035.01.14

Abstract

The increasing demand for edible bird nests (Aerodramus fuciphagus) has raised concerns regarding the sustainability of swiftlet populations. Artificial incubation is a potential solution to mitigate the impact of nest harvesting on wild populations. This study aimed to examine the morphological characteristics of swiftlet eggs from Buntok, Central Kalimantan, and their hatchability under controlled incubation. The 240 fertile eggs from a total of 400 eggs were incubated at 33–34.5°C with 70–80% humidity, and hatchability rates were assessed. The results indicated that swiftlet eggs had an average weight of 1.74 ± 0.151 g, length of 2.01 ± 0.090 cm, and width of 1.29 ± 0.038 cm. Descriptive analyses (means ± standard deviations) were performed for egg morphology parameters. Correlation analysis (Pearson’s correlation coefficient) was conducted to examine the relationships between egg characteristics and hatchability. Statistical analysis revealed a weak but significant correlation between egg weight and hatchability (p = 0.041), whereas egg length and width had no significant effect. Oval-shaped eggs had a slightly higher hatch success rate (62.5%) than elongated eggs did (60.0%). Hatchability was significantly influenced by incubation conditions, with stable temperature and humidity levels increasing embryonic survival. Regular egg turning (six times per day) improved hatch success, which aligns with findings in other avian species. These results contribute to swiftlet conservation and sustainable farming by optimizing artificial incubation protocols.
Co-Authors Edhy Sudjarwo Faizal Andri Hartandi, Nugroho Marwi, Filoza Nurul Isnaini Sri Minarti Wenas, Karl