Abstract-

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Cassava leaves as a source of high protein for ruminants and high potential was necessary to be explored as a feed. The cassava leaves was suitable for farmers because its availability was quite a lot, especially during cassava harvest. The purpose of this study was to determine the content of cassava leaf substances grown at various altitudes in the West Java. The study was conducted from May to June, 2016. Determination of area (village) was based on the number of cattle in the area. The sampling was done in stages (multistage sampling) to get secondary data. Selected villages were taken six times sample on each height (low, medium and high). The variables measured in this study were dry matter, crude protein, crude fat, crude fiber, calcium, phosphorus and TDN (Total Digestible Nutrient) derived from cassava leaf. The method used was experimental with Completed randomized design (CRD). The results showed that the content of dry matter, crude fiber and phosphorus in the highlands was greater than the medium and low plains. Crude Protein, Calcium and TDN showed the same value at various altitudes. Crude fats in the highlands and medium produce were the same but were higher than in the lowlands.

The experiments aimed to study about the performance and diet digestibility of male Garut lamb were a diet containing  Ipomea reptans seeds. Twenty two Garut sheeps at the age of 6-8 months with an average body weight of 16.17±1.33 kg were divided into four diet treatments containing 0%, 10%, 20%, and 30% Ipomea reptans seed and maintained for 10 weeks to measure the performance and digestibility of the diet. The study was conducted experimentally and the data collected and tested by Duncan’s test. The results showed that the use of Ipomea reptans seeds up to 30% increased (P<0.05) feed intake, average daily gain, dry and organic matter digestibility, but it had no effect on feed conversion. In Conclusion, the use of Ipomea reptans seed up to 30% yielded the best performance and diet digestibility and produced the same quality of diet.