DOI: https://doi.org/10.14710/jitaa.51.3.171-181

Genetic parameters of milk yield and reproductive performance traits in Holstein-Friesian dairy cattle

*A. Anang orcid  -  Departement of Animal Production, Faculty of Animal Husbandry, Universitas Padjadjaran, Indonesia
D. S. Tasripin orcid  -  Departement of Animal Production, Faculty of Animal Husbandry, Universitas Padjadjaran, Indonesia
H. Indrijani orcid  -  Departement of Animal Production, Faculty of Animal Husbandry, Universitas Padjadjaran, Indonesia
M. H. Zulkarnaen orcid  -  Departement of Animal Production, Faculty of Animal Husbandry, Universitas Padjadjaran, Indonesia
Open Access Copyright (c) 2026 Journal of the Indonesian Tropical Animal Agriculture
Creative Commons License This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

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Abstract

Understanding the genetic structure of economically important traits in dairy cattle is a fundamen-tal requirement before designing any effective breeding program. This study was conducted to estimate genetic parameters, including heritability and genetic and phenotypic correlations, for 305-day Milk Production (P305), Calving Interval (CI), Dry Period (DP), Peak Yield (PY), and Days to Peak Yield (DPY) in Holstein-Friesian dairy cattle in Indonesia. The data were collected from 2017 to 2024 and analyzed using the restricted maximum likelihood (REML) procedure. The overall least-squares means were 8,178.04 ± 23.08 kg for P305, 395.37 ± 1.21 days for CI, 66.60 ± 0.53 days for DP, 40.60 ± 0.12 kg for PY, and 78.00 ± 0.58 days for DPY. Heritability estimates were moderate to high for P305 (0.40 ± 0.02) and PY (0.48 ± 0.02), low for CI (0.18 ± 0.02) and DP (0.10 ± 0.02), and very low for DPY (0.03 ± 0.01). A strong positive genetic correlation was found between P305 and PY (0.99). These re-sults provide useful baseline information for developing a National Dairy Cattle Improvement Program in Indonesia's tropical management conditions.

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Keywords: Genetic parameters; Holstein-Friesian; Milk production; Reproductive traits
Funding: Universitas Padjadjaran

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Language : EN
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