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All Journal Jurnal Ilmu-Ilmu Peternakan (Indonesian Journal of Animal Science)
Purnamasari, Gita Cempaka
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Daytime Period of Indonesian Holstein Physiological Responses Under Various Status of Body Condition Score Purnamasari, Gita Cempaka; Sumantri, Cece; Ulum, Mokhamad Fakhrul; Prabowo, Sigid
Jurnal Ilmu-Ilmu Peternakan Vol. 36 No. 2 (2026): August 2026
Publisher : Faculty of Animal Science, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jiip.2026.036.2.2

Abstract

The level of fatty tissue in the body of Holstein cows impacts on the metabolic system, which in turn affects their physiological response. This study aimed to evaluate the involvement of Indonesian Holstein cows' body condition score (BCS) in altered physiological responses. The research samples consisted of 35 lactating Holstein cows raised at a dairy farm in East Jakarta. As part of the physiological responses, variables such as rectal temperature (Tr), skin surface temperature (Ts), body temperature (Tb), respiratory frequency (Rf), and heartbeats (Hb) were assessed. Meanwhile, the BCS was rated from 1 to 5. Data were analyzed using descriptive statistics, Pearson correlation, linear regression, and a one-way ANOVA test to examine mean differences. During the daytime period, Indonesian Holstein cows experienced a moderate level of heat stress. Physiological responses were low in the morning, sharply increased by noon, and then gradually rose slightly towards the afternoon. The distinct BCS status did not influence physiological responses throughout the daylight period (p>0.05) in the lowland tropical smallholder farm site. Still, an emergent signal suggests that BCS status contributes to the respiratory frequencies (Rf) and heartbeats (Hb) in the specific score of BCS. In conclusion, the share of BCS status in the shift of physiological responses in the lowland Indonesian Holstein exposed to moderate-level heat stress was not substantial enough, as the paramount factor in heat stress is ambient temperature.
Co-Authors Cece Sumantri Mokhamad Fakhrul Ulum, Mokhamad Sigid Prabowo