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Journal of the Indonesian Tropical Animal Agriculture
Published by Universitas Diponegoro
ISSN : 20878273     EISSN : 24606278     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences
Journal of the Indonesian Tropical Animal Agriculture (JITAA) is a double blind peer-reviewed publication devoted to disseminate all information contributing to the understanding and development of animal agriculture in the tropics by publication of original research papers
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 697 Documents
 66   67   68   69   70 
Effect of faecal microbiota transplantation on growth, haematological and intestinal indices of Kedu chickens M. R. Yousaf; A. N. M. Ramli; D. A. Lestari; S. Sutaryo; I. Agusetyaningsih; T. Ayasan; N. S. Pandupuspitasari; A. Setiaji; S. Sugiharto
Journal of the Indonesian Tropical Animal Agriculture Vol 51, No 3 (2026): September
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.51.3.162-170

Abstract

The study examined the effect of lyophilized fecal microbiota transplantation (FMT) from healthy chicken donors on growth performance, haematological indices and intestinal morphology of Kedu chickens during the starter phase. A number of 120 Kedu chickens (0-6 weeks old) were randomly as-signed to T0 (orally inoculated with 1 mL PBS), T1 (inoculated with 0.5 mL FMT) and T2 (1.0 mL FMT). Body weight and feed intake were weekly recorded, while blood and intestinal segments were collected at week 6. Results showed that live body weight and body weight gain were highest (p<0.001) in T1, and the lowest in T0 group. Feed conversion ratio (FCR) was better (p=0.001) in T1 and T2 compared to T0 group. Feed intake was lower (p=0.014) in T2 than in T0 and T1 groups. The FMT administration tended to increase erythrocytes (p=0.054) and haemoglobin levels (p=0.056) of Kedu chickens. The relative weight of duodenum, jejunum, ileum, caecum and colon were lower (p<0.05) in T1 and T2 compared to those in T0 group. The FMT administration had no effect (p>0.05) on duodenal and jejunal villi height, crypt depth and the ratio of villi height to crypt depth of Kedu chickens. In conclusion, daily low-dose lyophilized FMT was associated with improved growth perfor-mance and feed efficiency in starter Kedu chickens, while haematological and intestinal morphological responses were limited.
Effects of dietary Lactococcus lactis and Bacillus licheniformis on growth performance and gut health of broilers A. N. Sudrajat; S. Sumiati; I. K. G. Wiryawan; A. Darmawan
Journal of the Indonesian Tropical Animal Agriculture Vol 51, No 3 (2026): September
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.51.3.222-231

Abstract

In this study, the effects of dietary supplementation with Lactococcus lactis and Bacillus licheni-formis on broiler performance, metabolizable energy, intestinal morphology, and ileal microflora were evaluated. A total of 300 unsexed Cobb strain broiler chickens were divided into three treatments. Treatment T1 served as the control with a basal diet plus 0.1% CaCO₃ placebo, T2 received a basal diet supplemented with 0.1% Lactococcus lactis and Bacillus licheniformis at 10⁵ CFU g⁻¹, and T3 received the same probiotic combination at 10⁶ CFU g⁻¹.Probiotic supplementation improved growth performance, as indicated by increased body weight gain, improved feed efficiency (FCR), and higher metabolizable energy. Regarding intestinal microflo-ra, T2 reduced Escherichia coli populations, whereas T3 increased lactic acid bacteria; however, the increase in lactic acid bacteria in T3 was not accompanied by a reduction in Escherichia coli (P<0.05). Treatment T3 produced the lowest FCR value of 1.49 compared to the control (1.60) and the highest metabolizable energy of 3372 kcal kg⁻¹, indicating improved nutrient utilization efficiency.Histological evaluation showed a tendency to increase intestinal villus height, with the highest value observed in treatment T2 (1175.39 μm), suggesting improved intestinal absorptive capacity. It was concluded that Lactococcus lactis and Bacillus licheniformis supplementation has the potential to improve performance, intestinal health, and metabolizable energy in broiler chickens, although the ef-fects on microbial populations depend on the dosage.
Genetic parameters of milk yield and reproductive performance traits in Holstein-Friesian dairy cattle A. Anang; D. S. Tasripin; H. Indrijani; M. H. Zulkarnaen
Journal of the Indonesian Tropical Animal Agriculture Vol 51, No 3 (2026): September
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.51.3.171-181

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.
Productive and intestinal responses of nursery pigs supplemented with distillery vinasse A. D. Barbaru-Grajales; F. P. Erazo-Rodríguez; M. F. Baquero-Tapia; C. F. Vimos-Abarca
Journal of the Indonesian Tropical Animal Agriculture Vol 51, No 3 (2026): September
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.51.3.232-242

Abstract

The present study aimed to evaluate the productive and intestinal response of nursery pigs supple-mented with distillery vinasse as a feed additive. The trial was conducted on a pig production farm in Orellana, Ecuador. A total of 80 pigs, 73 days of age, from a Yorkshire × Landrace × Duroc cross were randomly assigned to two treatments: a control group and a vinasse-supplemented group. The animals were housed in 16 pens, with five pigs per pen and eight pens per treatment. The experimental period lasted 40 days, and vinasse was administered daily at 1.5% of dry matter intake. Physicochemi-cal, health, productive, and intestinal histometric indicators were evaluated. The vinasse had character-istics compatible with its use as a feed additive. Animals receiving vinasse showed no enteric or pneu-monic disorders or cannibalism, unlike those in the control group, and exhibited greater weight gain (25.67 vs. 23.38 kg), higher average daily gain (641.75 vs. 584.50 g/day), and an improved feed con-version ratio (2.98 vs. 3.27). In addition, they had greater villus and crypt dimensions in the duodenum and ileum. Supplementation with distillery vinasse produced favorable effects on intestinal health and productive performance in nursery pigs.
HSP70 gene polymorphism and association with growth performance and corticosterone in crossbred native chickens N. Tanpol; T. Boonmatan; N. Phakachoed
Journal of the Indonesian Tropical Animal Agriculture Vol 51, No 3 (2026): September
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.51.3.182-190

Abstract

This study evaluated heat shock protein 70 polymorphism and its association with growth perfor-mance and circulating corticosterone concentration in Chai-Aree crossbred native chickens. A total of 150 birds were genotyped using PCR-RFLP, and circulating corticosterone concentration was deter-mined by competitive ELISA. Three genotypes (CC, CG, and GG) were identified with frequencies of 0.40, 0.44, and 0.16, respectively, whereas allele frequencies of C and G were 0.62 and 0.38. Observed and expected heterozygosity were 0.44 and 0.47, respectively, indicating moderate genetic diversity. The population conformed to Hardy–Weinberg equilibrium (χ² = 0.66; p>0.05). Growth performance and corticosterone concentration were analyzed using a general linear model. HSP70 genotype had no significant effects on body weight, average daily gain, feed conversion ratio, or circulating corti-costerone concentration (p>0.05). These findings indicate that polymorphism at the HSP70 locus did not influence growth performance or systemic stress response under the experimental conditions. Alt-hough HSP70 contributes to genetic variation in crossbred native chickens, it has limited value as a standalone molecular marker. Future studies should investigate multiple candidate genes and genotype × environment interactions, particularly under heat stress conditions.
Growth Performance, nutrient digestibility, cecal microbial population, and histomorphology of broiler fed Conocarpus erectus leaf extract A. K. AL-karawi; M. F. Al-qazzaz
Journal of the Indonesian Tropical Animal Agriculture Vol 51, No 3 (2026): September
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.51.3.239-251

Abstract

A feeding trial investigated the effects of C. erectus leaf extract supplementation on growth per-formance, nutrient digestibility, microbial population, and intestinal histomorphology of broiler chick-ens. A total of three hundred one-day-old broilers were allocated in a completely randomised design to evaluate five dietary treatments with five replicates of twelve broilers each. The experimental diets were formulated by supplementing the basal diet with C. erectus leaf extract at 0%, 0.25%, 0.50%, 0.75%, and 1.0%. Feed and body weight were recorded weekly; digesta samples were collected on the slaughter day. Results showed that dietary supplementation with C. erectus leaf extract did not affect (P > 0.05) growth performance and nutrient digestibility. The 0.75% and 1% C. erectus leaf extract enhanced (P<0.05) relative ileum length, whereas 0.5% increased (P<0.01) relative ileum weight. The relative gizzard weight was higher (P<0.05) in birds fed 1%, whereas the lowest in birds given 0.25%. Birds receiving 0.25% and 0.5% C. erectus leaf extract showed a significant reduction (P<0.01) in Escherichia coli numbers, whereas dietary inclusion of 0.75% resulted in an increase (P<0.01) in Sal-monella numbers and improved (P<0.05) the gut morphology. In conclusion, C. erectus leaf extract at 0.25 %could be supplemented to the broiler diet, resulting in improved intestinal morphology, reduced Escherichia coli numbers without any detrimental impacts on the growth performance and nutrient digestibility.
Fatty acid profile, nutrient composition, characteristics, and sensory traits of broiler chicken meat fed a diet containing heat-treated hemp seed cake and phytase A. Darmawan; E. Ozturk
Journal of the Indonesian Tropical Animal Agriculture Vol 51, No 3 (2026): September
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.51.3.191-202

Abstract

Research on sustainable alternative feed ingredients is important to reduce the significant depend-ence on expensive soybean meal. In this study, the effects of heat-treated hemp seed cake (HSC) and phytase supplementation on the nutritional composition, fatty acid profile, physicochemical properties, and sensory traits of broiler chicken meat were evaluated. A total of 210 unsexed Ross day-old chicks were randomly allocated to seven dietary treatments with six replicates each: soybean meal-based diet (control), 15% HSC with or without phytase (1000 FTU/kg), autoclaved HSC (120°C, 10 min) with or without phytase and oven-heated HSC (120°C, 20 min) with or without phytase. Meat dry matter, crude protein, crude fat and ash contents were not affected by dietary treatments. Thigh meat pH was lower (P<0.05) for autoclaved HSC, and lower (P<0.05) for phytase-supplemented unheated HSC diet compared to the control. HSC supplementation enhanced breast meat redness and yellowness and in-creased thigh meat lightness and yellowness (P<0.05) without affecting breast meat lightness. The in-clusion of HSC decreased total saturated fatty acids, increased polyunsaturated fatty acids, omega-3 and omega-6 contents and resulted in a lower omega-6/omega-3 ratio (P<0.05). Unheated HSC nega-tively impacted breast meat appearance, odor and chewiness (P<0.05) while heat-treated HSC did not impair meat sensory quality compared to control diet. In conclusion, feeding 15% of HSC with or with-out phytase could partially replace soybean meal without negative impacts on meat quality and im-prove the fatty acid profile of broiler meat.

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