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All Journal Journal of the Indonesian Tropical Animal Agriculture Tropical Animal Science Journal
Wardani, W. W.
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Energy

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In sacco nutrient degradability of silage containing intact and defatted black soldier fly (Hermetia illucens) larvae Mulianda, R.; Sofyan, A.; Herdian, H.; Laconi, E.B.; Ridla, M.; Wardani, W. W.; Jayanegara, A.
Journal of the Indonesian Tropical Animal Agriculture Vol 46, No 3 (2021): September
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.46.3.227-235

Abstract

This study aimed to evaluate the in sacco nutrient degradability of total mixed ration (TMR) silage containing intact and defatted black soldier fly (BSF) larvae. The study evaluated four dietary treatments and six replications. The treatments consisted of control TMR silage without BSF larvae (R1), 20% intact BSF larvae + 80% TMR silage (R2), 20% chemically defatted BSF larvae + 80% TMR silage (R3), and 20% mechanically defatted BSF larvae + 80% TMR silage (R4). Samples were placed in polyester bags and incubated in the rumen in sacco up to 72 h. Nutrient degradability was evaluated for each time point interval. Results revealed that the lowest dry matter degradability (DMD) was found in R1 compared to all treatments (p < 0.05), while the highest DMD was found in R2 (p < 0.05). The highest organic matter degradability was found in R2 compared to R1, R3 and R4 (p < 0.05). Addition of BSF larvae to TMR silage increased the crude protein degradability (p < 0.05). In conclusion, inclusion of both intact and defatted BSF larvae into TMR silage did not have any adverse effects on nutrient profiles and showed a good nutrient degradation values in the rumen.
Performance, Egg Quality, Bone Health, and Immunity Assessments of Lohmann Laying Hens Supplemented with Vitamin D3 in the Diet Yusuf, G. M.; Sumiati; Mutia, R.; Wardani, W. W.; Akbar, I.; Putri, N. D. S.
Tropical Animal Science Journal Vol. 46 No. 4 (2023): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5398/tasj.2023.46.4.461

Abstract

Bone health in laying hens is associated with production performance and physical egg quality. This study aimed to evaluate the effects of a diet supplemented with Nutricell Eggstra (vitamin D3 enriched with canthaxanthin) on the production performance, egg quality, bone mineral, and immunity of laying hens. Herein, 150 Lohmann laying hens were divided into three treatments with five replicates. The treatment diets were: T1= diet without Nutricell Eggstra supplementation (control), T2= diet supplemented with 1.00 kg/ton Nutricell Eggstra, and T3= diet supplemented with 1.50 kg/ton Nutricell Eggstra. Compared to the control diet, supplementation of Nutricell Eggstra at doses of 1.00 kg/ton and 1.50 kg/ton significantly increased (p<0.05) hen day production, egg mass, egg index, yolk index, albumen weight, yolk color, eggshell thickness, eggshell strength, vitamin D3 content in egg yolk, heterophil, and heterophil/lymphocyte ratio. Supplementation of Nutricell Eggstra at the studied doses significantly decreased (p<0.05) the feed conversion ratio, yolk weight, eggshell porosity, and lymphocyte content. Nutricell Eggstra supplementation did not affect feed consumption, egg weight, albumen index, albumen weight, eggshell weight, Haugh unit, and tibia bone minerals. In conclusion, supplementation of 1.00 kg/ton Nutricell Eggstra yielded the best performance for Lohmann laying hens aged 36-39 weeks, while supplementation of 1.50 kg/ton Nutricell Eggstra produced the best quality eggs.
Co-Authors A. Sofyan Anuraga Jayanegara E.B. Laconi H. Herdian I. Akbar, I. Muhammad Ridla Mulianda, R. Putri, N. D. S. R. Mutia Sumiati Yusuf, G. M.