Subagyo, Ifar
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Morphometric Characterisation of Ongole-Grade Cattle from a Breeding-Source Area: Baseline Phenotypes to Support Selection and On-Farm Conservation Herviyanto, Doni; Nurgiartiningsih, Veronica Margareta Ani; Kuswati, Kuswati; Marjuki, Marjuki; Subagyo, Ifar; Maylinda, Sucik; Winarto, Priyo Sugeng
Buletin Peternakan Vol 50, No 1 (2026): BULETIN PETERNAKAN VOL. 50 (1) February 2026
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21059/buletinpeternak.v50i1.115078

Abstract

Ongole-grade cattle are a major locally adapted beef resource in Indonesia, yet breeding-source village populations often lack quantitative baseline phenotypes to support objective selection and on-farm conservation. This study characterised age-standardised morphometric traits of Ongole-Grade cattle from the breeding-source population in Napis Village (Bojonegoro, East Java). A cross-sectional survey was conducted on 356 clinically healthy cattle (143 males and 213 females) aged 24–48 months. Twelve linear measurements were recorded (withers height, body length, chest girth, chest depth, rump height, rump width, cervical/thoracic/lumbar vertebral lengths, scapula length, head length and head width) and standardised to 24 months using allometric size correction prior to analysis. Sex effects were tested using one-way ANOVA and Tukey comparisons, and principal component analysis (PCA) was performed separately by sex on z-standardised traits. All traits differed between sexes (p ≤ 0.002). Males were larger for most frame and head/axial traits (e.g., withers height, body length, chest depth, rump height, cervical and lumbar vertebral lengths, scapula length, head length and head width; p < 0.001), whereas females were larger for rump width, chest girth and thoracic vertebral length (p ≤ 0.002). PCA revealed a consistent conformation structure in both sexes, with PC1 representing a general size axis (47.3% variance in males; 42.7% in females) and PC2 capturing proportionality (shape), increasing cumulative explained variance to 70.8% in males and 64.5% in females. These results provide population-specific morphometric references and multivariate descriptors that can strengthen selection criteria and recording schemes for Ongole-Grade cattle in breeding-source village systems.
Feeding Behavior of Etawa Crossbred Dairy Goats in Consuming Cnidoscollus aconitifolius as a Substitute Feed and Its Correlation with Palatability and Body Weight Gain Putri, Aprillia Ika; marjuki, Marjuki; Hartutik, Hartutik; subagyo, Ifar; Mashudi, Mashudi; Huda, Asri Nurul; Hadin Husnassabil, Ahmad
Journal of Agriprecision & Social Impact Vol. 3 No. 1 (2026): March: JAPSI (Journal of Agriprecision & Social Impact)
Publisher : CV. Komunitas Dunia Peternakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62793/japsi.v3i1.88

Abstract

This study evaluated the feeding behavior and palatability of Etawa Crossbred (PE) dairy goats fed diets with partial substitution of Cnidoscolus aconitifolius forage. An in vivo field experiment was conducted using a Completely Randomized Design with four dietary treatments and three replications. The treatments consisted of: (T0) Leucaena leucocephala (lamtoro) as the basal forage; (T1) lamtoro supplemented with concentrate; (T2) lamtoro plus concentrate with 10% substitution of lamtoro dry matter by C. aconitifolius; and (T3) lamtoro plus concentrate with 20% substitution of lamtoro dry matter by C. aconitifolius. Parameters observed included feed intake (dry matter, organic matter, crude protein, and crude fiber), body weight change, and feeding behavior related to forage preference. The goats consistently consumed forage prior to concentrate and exhibited a higher preference for diets containing C. aconitifolius. Inclusion of C. aconitifolius reduced lamtoro intake; however, no significant differences were observed among treatments for dry matter, organic matter, crude protein, or crude fiber intake (P>0.05). Body weight change showed a positive tendency in goats receiving 10% and 20% C. aconitifolius substitution, while goats fed the control diet experienced slight weight loss, although these differences were not statistically significant (P>0.05). In conclusion, C. aconitifolius demonstrated good palatability and potential as an alternative forage for PE goats when used as a partial substitute for lamtoro. Nevertheless, its inclusion at the tested levels did not significantly affect nutrient intake or body weight change. Further studies are recommended to optimize inclusion levels and feeding strategies to enhance its practical application in small ruminant production systems.