Objective: The study obtained data on the potential of local feed ingredients, both in quantity, quality, and continuity and to observe the absorption power and ability of livestock to use feed designed in vitro. Materials and Methods: The method uses a survey method of potential sources of animal feed and calculates the carrying capacity of ruminants and nutritional analysis of feed ingredients with proximate analysis. Feed formulations were made based on proximate analysis results of four formulas (P1, P2, P3, and P4) and tested in vitro. Results: First, Nganjuk district has the highest of the local food potential with the production of agricultural waste and agricultural industries, reaching 802,341.94 tons/year. Second, the most top carrying capacity analysis reached in Tulungagung district, which reached 62,534 ST/year or 43% of the total population of ruminants. Third, the results of the study of the quality of local feed ingredients indicate that each type of feed material has the right and proper nutrition given to ruminants. Fourth, the in vitro testing included showing P1 feed that had a very significant effect (p < 0.01) on dry matter digestibility and digestibility of organic matter of cows, respectively, 74.69% and 73.39%. Conclusion: The in vitro technique of making animal feed can be developed in the areas that have the potential to produce agricultural waste and agricultural industries to increase the carrying capacity of livestock. [J Adv Vet Anim Res 2020; 7(1.000): 92-102]
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机译：目的：该研究获得了对局部饲料成分的潜力的数据，既有数量，质量和连续性，也可以观察牲畜使用饲料的吸收力和能力。材料和方法：该方法采用潜在的动物饲料来源的调查方法，并计算反刍动物的承载能力和饲料成分的营养分析，具有近似分析。基于四种配方（P1，P2，P3和P4）的近分析结果进行饲料制剂，并在体外测试。结果：首先，南京区拥有农业废物和农业产业的当地粮食潜力最高，达到802,341.94吨/年。其次，坦文化区达到的最高载物能力分析，达到62,534 /年或反刍动物人口的43％。第三，研究局部饲料成分质量的研究表明，每种类型的饲料材料都具有给反刍动物的权利和适当的营养。第四，在体外测试包括表示P1供给该对干物质消化率和奶牛的有机物消化率非常显著作用（p <0.01），分别为74.69％和73.39％。结论：制造动物饲料的体外技术可以在有潜力生产农业垃圾和农业产业增加牲畜的承载力。 [J Adv Vet Anim Res 2020; 7（1.000）：92-102]
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