海兰褐壳蛋鸡饲养手册.
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Commercial Management Guide
2006-2008
The Hy-Line Brown pullet is most successfully beak trimmed at between seven and 10 days of age using a precision cam activated beak trimmer with guide plate holes of 4.0, 4.37 and 4.75 mm (10/64, 11/64 and 12/64 inches). The proper size hole should be selected to provide the
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A PUBLICATION OF
HY-LINE INTERNATIONAL
1755 West Lakes Parkway
West Des Moines, Iowa 50266 U.S.A.
Telephone: 515-225-6030
Fax: 515-225-6425
Hy-Line is a brand name. Numbers and letters identify varieties.
®Registered Trademark of Hy-Line International, West Des Moines, Iowa U.S.A.
(08/06) Printed in U.S.A.