The maintenance host ( s ) of natural REV infection is urk nown , although wild water fowl and turkeys are suspected to be sources ( Purchase and Witter 1975 ) . -In Australia , natural infection of ducks ( Grimes and Purchase 1973 ) ...
This is the only true poultry science textbook on the market today. Extensively revised, Poultry Science, 4th edition contains pertinent, balanced information on both the North American and global poultry industry.
Nhenhe tyweke-tyweke-kenhe kwarte
Juku-juku wita-wita-kurlu
Juku-juku wita-wita-kurlu
A red cock caught the attention of William Tripp of Little Compton who was a market man buying from local farmers and driving his wagon regularly to New Bedford. He bought the cock and put it with his dung hill hens.
Poultry Colour Guide: Covering Large Fowl, Natural Bantams, Ducks, Geese, Turkeys and Guinea Fowl
Roup: An Experimental Study
Aandacht voor welzijnsonderzoek bij landbouwhuisdieren; alternatieve huisvestingssystemen in enkele Europese landen; het gebruik van ruimte in nieuwe huisvestingssystemen in relatie tot welzijn; zootechnische en economische aspecten van alternatieve huisvestingssystemen. Attention...
Emerging Opportunities in Alternative Poultry Farming Systems