00263nam a2200109Ia 450000500170000000800410001708200140005810000170007224500360008926000200012530000080014520260224040757.0260224s9999||||xx |||||||||||||| ||und||  a636.5 WIL  aWilson, K.   2aA handbook of poultry practice   aAgrobios c2007  a152