The purpose of this study was to determine the effect of energy levels in feed on the quality ofspermatozoa. The materials used in this study were 80 weeks old male native chickens, rations, 3%sodium chloride, eosin, and distilled water. This study used a Completely Randomized Design (CRD)consistied of 4 treatments and each treatment was repeated 4 times. Each repeatation was a malenative chicken. Collection of semen used the massage method on the abdominal area. The results ofthe study showed that the energy level in the rations increased (P<0.01) the mass motion anddecreased the motility of spermatozoa. The mean of mass motion scores obtained ranged 1.50% to3.00%, and the motility ranged 68.75% to 80.0%. The energy level in the rations increased(P<0.05) on the concentration and the number of live spermatozoa. The mean of concentrationobtained ranged 2.75x109 cells/ml to 3.75x109 cells/ml and the number of live spermatozoa ranged from 89.50% to 92.50%. Energy level in rations had no significant effect (P>0.05) on spermatozoaabnormality. The mean percentage of abnormal spermatozoa obtained ranged 2.27% to 2.38%.Based on this result, it can be concluded that the energy level in the rations could improve thequality of spermatozoa

The purpose of this research was to obtain a dose of vitamin E-selenium addition in feed on the quality of hatched eggs resulting from crossing Sentul chicken with laying hens. This research used 200 hatching eggs produced from the 34-week-old Isa Brown strain of laying hens which were treated and inseminated using Sentul chicken males. The experimental method used in this research was a completely randomized design CRD) with 5 treatments and 5 replications with each replication consisting of 8 hatching eggs. The treatments feed in this research were as follows: P0 = Basal Feed, P1 = Basal Feed + 21.75 ppm vitamin E and 0.23 ppm selenium, P2 = Basal Feed + 43.5 ppm vitamin E and 0.46 ppm selenium, P3 = Basal Feed + 65.25 ppm vitamin E and 0.69 ppm selenium, P4 = Basal Feed + 87 ppm vitamin E and 0.92 ppm selenium. The results of this research were that the addition of vitamin E-selenium levels in feed had no significant effect (P> 0.05) on the weight of hatching eggs, fertility, embryo mortality and hatchability.  Keywords: Vitamin E-Selenium Level, Feed, Hatching Eggs, Sentul Chicken ,Laying Hens

The purpose of this research was to determine the effect of adding vitamin E and selenium as feed additives on the performance of artificially inseminated laying hens. The material used in this research was a 34-week-old laying hen strain of Isa Brown as many as 100 laying hens in artificial insemination. Artificial insemination was done by crossing buras chickens with females from laying hens. Artificial insemination was done every 4 days. This research used statistical analysis using ANOVA with Completely Randomized Design (CRD) which used 5 treatments and 5 replications where each treatment and each replication consisted of 4 laying hens. If there is a real difference or very real influence,it will continued using Duncan's test. The treatment feed in this research are as follows: P0 = Basal Feed, P1 = Basal Feed + 21.75 ppm vitamin E and 0.23 ppm selenium, P2 = Basal Feed + 43.5 ppm vitamin E and 0.46 ppm selenium, P3 = Basal Feed + 65.25 ppm vitamin E and 0.69 ppm selenium, P4 = Basal Feed + 87 ppm vitamin E and 0.92 ppm selenium. The results obtained in this research were the addition of vitamin E and selenium in feed had a significant effect (P <0.05) on feed consumption and protein consumption, and also had a very significant effect (P <0.01) on Hen Day Production (HDP) and FCR, but it did not provide significant effect (P> 0.05) on egg weight. The best dose addition of vitamin E and selenium is vitamin E by 87 ppm and Selenium by 0.92 ppm. Keywords : Artificial Insemination, Feed Additives, Performance Of Laying Hens, Selenium, Vitamin E

pertumbuhan spesifik (SGR) (2,71±0,80), dan P4: densitas populasi (9,34±0,76), panjang (5,51±0,86), bobot (53,75±3,86), dan laju pertumbuhan spesifik (SGR) (7,68±0,55). Berdasarkan data tersebut dapat disimpulkan jika pemberian kotoran ayam (40 gram) dan sisa nasi (40 gram) lebih optimal terhadap densitas populasi, panjang, bobot, dan laju pertumbuhan spesifik (SGR).