Bobot relatif organ ayam IPB-D2 dengan Suplementasi Vitamin E dalam Pakan Mengandung Minyak Ikan Lemuru

Relative Organ Weights of IPB-D2 Chickens Feed Diets Containing Lemuru Fish Oil Supplemented with Vitamin E

Abstract

This study aimed to evaluate the effects of vitamin E supplementation in a diet containing Lemuru fish oil on the relative weight of internal organs, digestive tract, and reproductive organs of IPB-D2 chickens. A total of 120 female IPB-D2 chickens aged 36–40 weeks were used in a completely randomized design (CRD) with three dietary treatments: a diet containing 2% Lemuru fish oil without vitamin E (P0), 2% Lemuru fish oil supplemented with 100 ppm vitamin E (P1), and 2% Lemuru fish oil supplemented with 300 ppm vitamin E (P2). Relative organ weights was conducted at the end of the study from 15 forty-week-old chickens (1 bird/replicate). The parameters evaluated included feed intake, feed conversion ratio, relative weights of internal organs, digestive tract segments, and reproductive organs. Data were analyzed using analysis of variance (ANOVA), followed by Tukey's test when significant differences were detected. The results showed that vitamin E supplementation decreased the relative weight of the gallbladder and increased the relative weights of the ileum and uterus (p<0.05) but did not affect the relative weights of the liver, heart, kidneys, thymus, pancreas, spleen, duodenum, jejunum, cecum, colon, infundibulum, magnum, isthmus, or vagina. In conclusion, vitamin E supplementation at levels of 100 and 300 ppm in feed containing 2% Lemuru fish oil reduced the relative weight of the gallbladder and increased the relative weights of the ileum and uterus compared to the control. Further study is required regarding histopathology and organ health.