автор: Roy Kirkwood

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4 Электронные книги Roy Kirkwood

John Carr & Shih-Ping Chen: Pig Health
Maintaining the health of pigs is vital in pig farming and production. This new book written by experts from around the world focuses on the health of pigs, first with coverage of the disorders of pi …
PDF
английский
DRM
€75.53
John Carr & Shih-Ping Chen: Pig Health
Maintaining the health of pigs is vital in pig farming and production. This new book written by experts from around the world focuses on the health of pigs, first with coverage of the disorders of pi …
EPUB
английский
DRM
€75.84
Roy Kirkwood & Phillip Thacker: Non-Traditional Feeds for Use in Swine Production (1992)
Feed represents the single greatest expense associated with bringing pigs to market weight. Therefore, if you can reduce the cost of feeding without detriment to pig performance, the economics of swi …
EPUB
английский
DRM
€64.18
Roy Kirkwood & Phillip Thacker: Non-Traditional Feeds for Use in Swine Production (1992)
Feed represents the single greatest expense associated with bringing pigs to market weight. Therefore, if you can reduce the cost of feeding without detriment to pig performance, the economics of swi …
PDF
английский
DRM
€64.40