Disturbances in the gastrointestinal (GI) tract caused by internal and external influences can cause large economic losses in both the pig and poultry industries. Traditionally, diseases and conditions of the GI tract that can cause losses have been controlled by antimicrobial compounds administered in the feed and (or) water, such as antibiotics, coccidiostats, zootechnical feed additives and trace elements such as zinc and copper. However, legislation and rulings in various parts of the world coupled with a growing sentiment to reduce the use of these compounds in the intensive livestock industries have caused a reassessment of measures to influence GI tract structure and function ('gut health'), and have caused unparalleled interest in alternative strategies (genetic, dietary, management, environmental) to effectively manage the GI tract under conditions of external and internal challenge. Despite the wide array of products and strategies available to the pig and poultry industries that influence 'gut health', a term in itself that is often misunderstood and misinterpreted, it is important that the industries continue to investigate and understand the underpinning sciences that influence GI tract structure and function, especially at critical life stages. Ultimately, the cost-benefit of adopting such practices to influence 'gut health' requires consideration.
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