Abstract
Abstract Lactoferrin (LTF) is a gene that play role in dairy cattle’s health and immunity. Since animal health is an integral factor supporting milk production in dairy cattle, the purpose of the current study was to find an association between LTF gene variation and the amount of milk yield in Indonesian Friesian Holstein (IFH). Fifty cows were sampled in this study. The PCR – RFLP reaction using EcoRI restriction enzyme was employed to genotype the LTF in individual cow samples. As the result, AB and AA genotype was found, and it has frequencies 0.58 and 0.42 respectively. The AB genotype shows a higher amount of milk per lactation when compared to the AA genotype (3741 ± 1520.29 kg vs. 3338 ± 1317.57 kg), but not significantly different (p > 0.05). In this studied dairy cattle population, the variation of the LTF gene didn’t associate with milk yield.
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