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One of the important problems, increasing successively, in intensive poultry production are bacterial infections, and the major reason of this inconvenient situation is increasing resistance of bacteria to antibiotics. In most cases infections are caused by bacteria belonging to the family Enterobacteriaceae, especially Escherichia coli and Salmonella spp. Additionally, bacteria Klebsiella spp. are...
In terms of its anatomy and functions, the reproductive system of birds is significantly different from the one found in mammals. It consists of only the left ovary and the left oviduct, which is constantly exposed to ascending infections because of its connection with the cloaca. Hence, the proper functioning of humoral and cell-mediated local immune mechanisms in this system is very important for...
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