File:The chicken mite - its life history and habits (1917) (14783971165).jpg

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Identifier: chickenmiteitsli553wood (find matches)
Title: The chicken mite : its life history and habits
Year: 1917 (1910s)
Authors: Wood, H. P. (Herbert Poland), 1883-1925
Subjects: Chicken-mite Chickens
Publisher: Washington, D.C. : U.S. Dept. of Agriculture
Contributing Library: U.S. Department of Agriculture, National Agricultural Library
Digitizing Sponsor: U.S. Department of Agriculture, National Agricultural Library

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Text Appearing Before Image:
Fig. 2.—The chicken mite: Female mite engorged-with blood. Greatly enlarged. (Bishopp andWood.) LIFE-CYCLE EXPERIMENTS. The following outline gives an accurate record of the life cycle asworked out at Dallas, Tex.: First-stage nymph engorgement: August 6. 6 p. m. Several hundred first-stage nymphs put in jar with fowl. August 7, 9 a. m. 542 engorged first-stage nymphs recovered.First-stage nymph molting: August 8, 7.30 a. m. Many have molted to second-stage nymphs.Second-stage nymph engorgement: August 9, 5.30 p. m. All the second-stage nymphs (perhaps 50 of the 542 died)put in jar with chicken. The nymphs are very active. August 10, 9 a. m. 263 engorged nymphs recovered.Second-stage nymph molting and mating: August 11, 9 a. m. Many have molted. Several pairs found to be in positionof copulation. Bui. 553, U. S. Dept. of Agriculture. Plate I.
Text Appearing After Image:
The Chicken Mite (Dermanyssus gallinae). Upper left, eggs; upper center, larva, dorsal view; upper right, first-stage nymph before feeding;below, old roost showing spots of excrement. All much enlarged except the lower figure, whichis somewhat reduced. (Original.) TiffE CHICKEN MITE. 5 First engorgement of females: August 12, p. m. Put foregoing mites with fowl over night. August 13, 9 a. m. 70 engorged females recovered, and about 30 unfed males.Females put in separate tubes from the males and one female in a tube.First deposition of females: August 13, 7 p. m. (before). Two females have begun to deposit. August 14, 9 a .m. Five females are now depositing. August 14, 9 a. m. Five females are now depositing. August 15, 8.30 a. m. 52 females are now depositing. August 15, 1.30 p. m. 61 females are now depositing. August 15, 5 p. m. Same. August 16, 10.30 a. m. 62 females are now depositing. August 16, 4 p. m. 64 females are now depositing.Hatching of eggs to larvae: August 16, 10.30 a.

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https://www.flickr.com/photos/internetarchivebookimages/14783971165/

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Flickr tags
InfoField
  • bookid:chickenmiteitsli553wood
  • bookyear:1917
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:Wood__H__P___Herbert_Poland___1883_1925
  • booksubject:Chicken_mite
  • booksubject:Chickens
  • bookpublisher:Washington__D_C____U_S__Dept__of_Agriculture
  • bookcontributor:U_S__Department_of_Agriculture__National_Agricultural_Library
  • booksponsor:U_S__Department_of_Agriculture__National_Agricultural_Library
  • bookleafnumber:8
  • bookcollection:usda-bulletin
  • bookcollection:usdanationalagriculturallibrary
  • bookcollection:fedlink
  • bookcollection:americana
Flickr posted date
InfoField
30 July 2014


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