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1st Int. Transborder Conf. of the Timor Island: Timor %u2013 Science without borderDili, 7-8 May 202533Inclusion of Copra Meal (Cocos Nucifera) in the Diet and its Effects on Production and Carcass Yield of Local PigsMadalena Beatriz da Costa, Graciano Soares Gomes and B.M. Afonso*Animal Husbandry Department, Agriculture Faculty, Universidade Nacional Timor Lorosa%u2019e, Timor-LesteCorresponding author: armando.afonso@yahoo.comAbstractIn pig farming, feeding is one of the determining factors in achieving maximum production. Pig feeding is costly, accounting for about 70 to 75% of the total production cost. Therefore, identifying potential and low-cost alternative foods should be important to reducing production costs. The inclusion of coconut flour meal is considered one of the high-nutrient quality feed alternatives to meet the nutritional needs of pigs. The objective of the study is to identify the effects of the inclusion of copra flour in the diet and its effects on production performance and carcass quantity yield of local pigs in the growth phase. The research was conducted in the Laboratory area of the Faculty of Agriculture, UNTL, located in the Acanuno village, Hera, P.A. of Cristo Rei, Dili, from August 21 to November 30, 2023. An experimental method was used, using a randomized block design, consisting of four treatments and three replications., totalling 12 units of observations. A total of 12 local male pigs were used, with the initial body weight ranging from 9.40 to 30.40 kg and average initial weight of about 16.20%u00b17.60 kg. At the end of the research period, the pigs reached a final weight ranging from 26.15 to 61.30 kg and an average final weight of about 34.40%u00b111.23 kg. The treatments applied in this research namely T0 composed of 0% coconut meal, 45% yellow corn, 40% rice bran, and 15% blood meal. T1 composed of 15% coconut meal, 35% yellow corn, 35% rice bran. T2 consists of 20% coconut meal, 30% yellow corn, 35% rice bran, 15% blood meal and include. T3 consists of 25% coconut meal, 30% yellow corn, 35% rice bran, and 10% blood meal. The observed variables included feed consumption, feed conversion, average daily weight gain, and carcass yield. Statistical analysis showed no significant differences (P>0.05) among the treatments in this study. However, in quantitatively terms, treatment T1 (15% copra flour inclusion) yielded the best results, with the following average values: average daily weight gain of 250.20 %u00b1 68.25 g, slaughter weight of 41.12 %u00b1 17.43 kg, carcass weight of 30.02 %u00b1 14.79 kg, and carcass percentage of 71.58 %u00b1 5.20%.)250.20%u00b168.25g, Slaughter weight 41.12%u00b117.43 kg, Carcass weight 30.02%u00b114.79 kg, Carcass percentage 71.58%u00b15.20%. The average value of the above-mentioned indicators is considered normal for pig production performance and carcass quantity results. Therefore, it can be recommended to stakeholders, especially pig farmers in rural areas, to adopt treatment (T1) to improve pig production efficiency.Keywords: Local pig, diet, copra flour, production, carcass yield.