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All Journal Journal of the Indonesian Tropical Animal Agriculture Tropical Animal Science Journal
H. I. Wahyuni
Faculty of Animal and Agricultural Sciences, Diponegoro University, Tembalang Campus, Semarang 50275
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Energy

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Dietary Supplementation of Spirulina platensis as a Substitute for Antibiotics in Arab Chicken (Gallus turcicus) Hasna, N. A.; Widiastuti, E.; Agusetyaningsih, I.; Wulandari, E. C.; Murwani, R.; Yudiarti, T.; Sartono, T. A.; Sugiharto, S.; Wahyuni, H. I.
Tropical Animal Science Journal Vol. 47 No. 2 (2024): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5398/tasj.2024.47.2.180

Abstract

This study was conducted to determine the effect of adding Spirulina platensis to replace zinc bacitracin on performance, egg quality, blood profile, total gut bacteria, and liver histopathology of local indigenous Arab chicken (Gallus turcicus). One hundred and eight 28-week-old laying hens were distributed randomly to three treatments: T0 (control diet), T1 (T0 + 1% S. platensis), and T2 (T0 + 0.04% zinc bacitracin). The treatment was applied for 49 days. S. platensis and zinc bacitracin decreased feed intake (p<0.05), but the egg mass had no significant effect; this provides a good improvement in feed conversion ratio (p<0.05). S. platensis helped maintain persistent egg production (p<0.05). S. platensis and zinc bacitracin provided the best results on haugh unit (p<0.05). S. platensis increased the yolk score (p<0.05). Zinc bacitracin decreased erythrocytes (p<0.05) but was not significantly different from S. platensis. S. platensis and zinc bacitracin increased mean corpuscular volume (MCV) (p<0.05). Blood chemical profile and total gut bacteria were not affected by the treatments. S. platensis was the best at maintaining liver’s health (p<0.05). This research concludes that S. platensis can efficiently optimize feed consumption, enhance performance, maintain egg quality, and protect the liver damage of Arab chicken. Therefore, S. platensis could be considered to replace the use of antibiotics.
Improvement of Performance, Blood Profiles, Gut Health, and Immune Response of Broilers Supplemented with Chitosan, Bacillus subtilis, or Their Combination Agusetyaningsih, I.; Kismiati, S.; Mangisah, I.; Widiastuti, E.; Wahyuni, H. I.; Yudiarti, T.; Sartono, T. A.; Sugiharto, S.
Tropical Animal Science Journal Vol. 47 No. 3 (2024): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5398/tasj.2024.47.3.343

Abstract

The study aimed to investigate the effect of supplementing chitosan, Bacillus subtilis or blends of both on broiler growth performance, immune response, biochemical variables, and intestinal ecology of broiler chickens. Two hundred and eighty day-old chicks were distributed into 4 experimental groups, including T0 (control, basal feed), T1 (basal feed + chitosan 0.1% feed), T2 (basal feed + B. subtilis 0.01% feed), and T3 (basal feed + chitosan 0.1% feed + B. subtilis 0.01% feed). Variables measurements and sample collection were conducted on day 35. The T3 did not differ from T0 and T1, but they consumed less (p≤0.05) feed than T2 chickens. Feed conversion ratio (FCR) was lower (p≤0.05) in T1 and T3 compared to T0 and T2 groups. Leukocyte counts in T2 and T3 were higher (p≤0.05) than those in T0. The T1, T2, and T3 had higher (p≤0.05) lymphocyte counts than T0. The T3 had lower (p≤0.05) low-density lipoprotein (LDL) levels than the T0 group. The T2 had higher (p≤0.05) levels of total protein and globulin than T3 and T0. Compared to T0 and T3, serum albumin levels were greater (p≤0.05) in T1 and T2. The T3 had higher (p≤0.05) duodenal villi height than that in the other groups. The T2 and T3 chicks had higher (p≤0.05) Newcastle disease titer than T0 and T1. Compared to T2 and T3, T0 and T1 showed a worse (p≤0.05) microscopic structure of jejunum. The T2 and T3 showed lower (p≤0.05) lesion score in bursa of fabricius than that in the other groups. In conclusion, the blends of chitosan and B. subtilis resulted in improved FCR, higher leukocyte and lymphocyte counts, lower LDL, higher duodenal villi height, higher Newcastle disease titer, better microscopic structure of jejunum, and lower lesion score in bursa of fabricius of broiler chickens.
Co-Authors Agusetyaningsih, I. Al-Baarri, Ahmad Ni'matullah E. Suprijatna, E. E. Widiastuti Erya, S. N. Hasna, N. A. I. Isroli I. Mangisah Jamilah, J. L. D. Mahfudz Lilik Krismiyanto Luthfian, F. N. Suthama Nurwantoro . Pratama, A. R. R. Murwani Raza, M. A. S. Kismiati S. Sugiharto Sari, D. A. P. Sartono, T. A. Tentrawinata, Z. I. Turrini Yudiarti W. Winarti Wulandari, E. C. Y. B. Pramono, Y. B.