This study evaluated the effects of chromium picolinate (CrPic) with or without vitamin C on reproductive potentials cocks raised under high ambient temperature. Four diets contained CrPic at 0.00 to 1.20 mg kg-1 and another four 200 each. A total 192 White Leghorn Noiler (96 each) were randomly assigned 8 treatments replicated 4 times 6 per replicate in a 2 x2 x factorial experiment. At end si...

Several studies were conducted on evaluation of heterosis, maternal and reciprocal-effects for different chicken breeds. However, there is a limited information the reciprocal-effect crossbreed Fayoumi White Leghorn. Therefore; this study was designed to evaluate reciprocal effects traits Leghorn from day-old age at first egg. A total six hundred chicks selected,150 each genotype evaluated simu...