The chorio-allantoic membranes of White Leghorn chick embryos at 10 to 12 days after laying were fixed in Palade's buffered osmium tetroxide or in Luft's potassium permanganate. After fixation in these two ways the general appearance is similar, but there are differences in certain tissue elements. Cell membranes are well preserved after fixation in KMnO4. Certain lipid inclusions in the cytopl...

595 Influence of soy oil source and supplementation of the diet with vitamin E and vitamin C on performance and egg quality of Single Comb White Leghorn laying hens from forty four to fifty six weeks of age. H. Irandoust1, A. H. Samie1, H. R. Rahmani1, J. Pourreza1, M. Kadivar2, M. A. Edriss1, P. García-Rebollar3, and G. G. Mateos*3, 1Department of Animal Sciences, Isfahan University of Technol...