. Diseases of bees. Bees. UNITED STATES DEPARTMENT OF AGRICULTURE BULLETIN No. 431 Oonlrtbntlon IVom the Bureau of Entomologr t. O. HOWARD. CUef Washington, D. C. PROFESSIONAL PAPER Febraary 9,1917 SACBROGD G. Expert, Engaged in the Investigation of Bee Diseases CONTENTS Blitoiical Aceouit ..â¢....â¢. Nwne of the Disease AReennce of Healthy Breed at the Ace MlindchitDleBefSacbnMd . . ItoaiBof Sacbrood ....... e«rSacbroad . I Effect of Sacbrood Upon a i&luinnt of Tiros Bevdred to Produce â )ie Dbease. and the Bapidtty of its in Making Ezperimentai Page I 2 4 6 10 24 SO. 31 _ _ 32 s
. Diseases of bees. Bees. UNITED STATES DEPARTMENT OF AGRICULTURE BULLETIN No. 431 Oonlrtbntlon IVom the Bureau of Entomologr t. O. HOWARD. CUef Washington, D. C. PROFESSIONAL PAPER Febraary 9,1917 SACBROGD G. Expert, Engaged in the Investigation of Bee Diseases CONTENTS Blitoiical Aceouit ..â¢....â¢. Nwne of the Disease AReennce of Healthy Breed at the Ace MlindchitDleBefSacbnMd . . ItoaiBof Sacbrood ....... e«rSacbroad . I Effect of Sacbrood Upon a i&luinnt of Tiros Bevdred to Produce â )ie Dbease. and the Bapidtty of its in Making Ezperimentai Page I 2 4 6 10 24 SO. 31 _ _ 32 sDeMmefienof the Tims of _-^ to Destroy Sacbrood iSnapended In Water . 34 IjMuired to Destroy Saclwoad "^"â Saqeaded in Glycerine . 35 ^ aired to Itestroy Sacbrood TlQuinien Suspended in Honey . 36 Rcdstsnee of Sacbrood Tins to Oifiac atBoantltaBpantua. ... ._. . 37 Bcststaoo) of Sacbrood Ttrha to Direct Snnllrin When BeslBtanee of Sacbrood Tims to Direct Sunlight When Suspended in Water . BeslBtanee of Sacbrood Tirni to Direct Sunlight When Sumended in Honey . length of Time that Sacbrood Tiroa Be> mains Tiralent in Honey Besistance of SaCbrood Tims to thePraS' eilceofPennentatiTePiocesaea . . Resistance of Sacbrood Tints to Fer- mentation in Diluted Honey at Out. door Temperature . . '. . . Besistance of Sacbrood Tims to the Frea. enceof Pnirefacttire ProcesseO . â¢â. Resistance of Sacbrood Tims to Carboue Acld^. . . Modes of Transmission of Sacbrood . Dhigno^ of Sacbrood Prognosis .......â¢â¢.â¢. Belation ofTfaese Studies to the Treat* Page 38 otSacMtiod . . Coachisfonji. Summary and . UtetatuM Cited 39 40 40 41 42 43 44 46 48 49 80 82 63. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original
Size: 1613px × 1549px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublisher, booksubjectbees
