Improving productive and reproductive performance of dual-purpose crossbred hens in the tropics by lecithin supplementation

  title={Improving productive and reproductive performance of dual-purpose crossbred hens in the tropics by lecithin supplementation},
  author={Youssef A. Attia and Ahmed M. S. Hussein and A. E. Tag El-Din and E. M. A. Qota and A. I. Abed El-Ghany and A. M. El-Sudany},
  journal={Tropical Animal Health and Production},
In order to study the influence of lecithin and vegetable oils on improving productive and reproductive performance, egg quality, and metabolic profile of dual-purpose crossbred hens in the tropics, a total of 224 hens, 47-wk old, 112 each of Gimmizah and Silver Montazah strains were fed seven isonitrogenous diets. Experimental treatments consisted of feeding seven different diets to layers; four isocaloric diets containing either no added lipid (control), 3% vegetable oil mixture, 3% soy… CONTINUE READING
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