Performance and egg quality of laying chickens feed supplementation with Plectranthus amboinicus Lour Spreng leaf flour

This study aims to examine the potential of Plectranthus amboinicus Lour Spreng leaf flour PLP as a supplement to the performance of laying hens. 30 laying hens aged 22 weeks were used and divided into 5 treatments and six replications. The five treatments were T0 (fed without PLP), T1, T2, T3, and T4 namely the group that was fed with PLP 2.5% in a row, 5%, 7.5% and 10%. The study was conducted for six weeks. Parameters measured were weekly body weight, feed efficiency, the weight and present of carcass and meat cholesterol. Another parameter were egg quality which includes egg weight and cholesterol levels. One of the biochemical parameters measured is the level of uric acid in the blood. At the end of the study, the chickens were slaughtered to obtain blood for the measurement of uric acid, as well as the measurement of carcass quality. The data obtained were analyzed using one-way ANOVA at a significance level of 95%. The results showed that PLP supplementation in the feed reduced body weight and increased feed efficiency significantly (p<0.05) and also reduce meat cholesterol. The addition of PLP in the feed did not affect egg weight but decreased yolk cholesterol levels and uric acid significantly if compare to tha control group.