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Journal : Livestock and Animal Research

Utilization of Indigofera (Indigofera zollingeriana) leaf meal in the ration on chemical meat composition, carcass and non-carcass production, and feces-derived methane yield of male growing rabbit Sutaryo Sutaryo; Oktafia Munita Rahmawati; Subur Subur; Retno Adiwinarti; Endang Purbowati; Agung Purnomoadi
Livestock and Animal Research Vol 20, No 2 (2022): Livestock and Animal Research
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (818.026 KB) | DOI: 10.20961/lar.v20i2.58270

Abstract

Objective: The aim of this study were to evaluate the inclusion of Indigofera leaf meal (ILM) in the ration on the carcass and non-carcass production, meat chemical composition and feces-derived methane yield of New Zealand White (NZW) rabbits.Methods: Twenty eights male NZW rabbits with initial body weight of 1455.25 ± 142.41 g, and 65-70 d old were used in this study. There were four treatments namely basal feed (T0); inclusion 4% (T1); 8% (T2), and 12% of ILM (T3) in the ration. The ration was made in form of pellet, and iso-protein that containing 16% of crude protein (CP). The observed variables were carcass and non-carcass production, meat nutrient content and feces-derived methane production.Results: The study result showed that inclusion of ILM in the rabbit ration up to 12% gave no significant effect (P>0.05) on the carcass and non-carcass production, nutrient content of the rabbit meat (CP, extract ether, moisture and ash) both in Longissimus dorsi (LD) and Bicep femoris (BF) muscles. The moisture concentration in LD muscle showed lower than that in BF muscle, while EE content of LD was higher than that in BF muscle. The result also showed that the incorporation of ILM in the ration up to 12% gave no significant effect (P>0.05) on the methane production of rabbit feces.Conclusions: The treatments gave no impact on the observed variables. Therefore, ILM can be used as a protein source in male growing rabbit ration at least up to 12%. 
Produksi karkas, nilai gizi dan profil asam lemak daging serta produksi limbah kelinci New Zealand White akibat penyertaan rumput laut cokelat (Sargassum sp.) pada ransum Sutaryo Sutaryo; Alief Jannah; Auliya Rizqi; Dian Lestari; Agung Purnomoadi
Livestock and Animal Research Vol 19, No 1 (2021): Livestock and Animal Research
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (444.08 KB) | DOI: 10.20961/lar.v19i1.45375

Abstract

Objective: The aim of this current paper was to evaluate effect of inclusion Sargassum sp. in the ration on meat nutrient content, meat fatty acid profile and waste production of New Zealand White (NZW) rabbit.Methods: Twenty four NZW rabbit (70-80 d old) with initial body weight 1736 ± 50 g were randomly allocated in to three treatments. The treatments were: T1 basal feed, T2 inclusion of 4% Sargassum sp. in the basal feed and T3 inclusion of 8% Sargassum sp. in the basal feed.Results: Results of this experiment showed that inclusion of Sargassum sp. in the ration gave no effect (P>0.05) on the moisture, ash, crude protein content of Longisimus dorsi (LD) muscle, carcass percentage, warm carcass weight, cold carcass weight and waste production. However, the treatment was significantly (P<0.05) decreasing fat content of LD muscle. Fatty acids profile of all treatments was relatively same.Conclusions: Utilization of Sargassum sp. in the rabbit ration up to 8% has no impact on the carcass production, protein, ash, and meat water content, and the waste production. Even the inclusion of Sargassum sp. the ration at level of 4% can reduce the fat content of rabbit meat. Thus, based on the observed parameters Sargassum sp. can be used to substitute rabbit feed up to a level of 8%.