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Jurnal Ilmu Ternak Universitas Padjadjaran

Jurnal Ilmu Ternak Universitas Padjadjaran

Author ORCID Identifier

Najwa Hegyra Gumilar, https://orcid.org/0009-0009-3698-2644

Iman Hernaman, https://orcid.org/0000-0001-9011-3057

Diding Latipudin, https://orcid.org/0000-0003-1295-2765

Ghistavera Izvantika, https://orcid.org/0009-0000-6616-9368

Abstract

The use of dietary tannins as natural feed additives to regulate rumen protein degradation and improve nitrogen metabolism has been increasingly explored. Nevertheless, the evidence concerning the combined use of chestnut (Castanea sativa) and quebracho (Schinopsis lorentzii) tannin extracts in Priangan sheep is still limited. This study aimed to evaluate the effects of a commercial tannin powder containing these two plant extracts on Blood Urea Nitrogen (BUN) concentration and hematological profiles in Priangan sheep. Eighteen healthy male Priangan sheep with an initial average body weight of 19.64±2.51 kg were randomly allocated into three dietary treatments in a Completely Randomized Design with six animals assigned to each treatment. The experimental diets consisted of a control ration (P0), control ration plus 1% tannin powder (P1) and control ration plus 2% tannin powder (P2). Blood samples were taken for biochemical and hematological evaluation after 70 days of feeding. 2% tannin powder supplementation significantly increased BUN concentration compared to control and 1% supplementation groups (P0.05). In general, supplementation with chestnut and quebracho tannin powder at the 2% inclusion level induced alterations in nitrogen metabolism without any measurable changes in the hematological status. The results of this study suggest that the tannin preparation tested can be included in the diet of Priangan sheep at up to 2% of dietary dry matter without causing adverse physiological effects.

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