title: Population expansion of the poultry fluff louse, Goniocotes gallinae (De Geer, 1778) (Ischnocera, Phthiraptera).
abstract: A study was undertaken to determine the rate of population expansion of an ischnoceran Phthiraptera, Goniocotes gallinae (infesting the domestic fowl, Gallus gallus domesticus), on the basis of in vitro and in vivo studies. Data obtained from in vitro rearing were utilized to construct the life history of the louse. The values of the gross reproductive rate (12.49 female eggs/female), net reproductive rate (8.31 female eggs/female), mean length of generation (36.91 days), precise generation time (35.65 days), finite rate of increase (1.06 female/days), and intrinsic rate of natural increase (0.059) of G. gallinae were determined. However, doubling-time values recorded during in vivo studies (14 days) was comparatively higher than those during in vitro rearing (11.73 days).
authors.affiliation: Department of Zoology, Government Raza Postgraduate College, Rampur, India. akscsir@rediffmail.com
authors.forename: Arun Kumar
authors.initials: AK
authors.lastname: Saxena
authors.forename: Sandeep
authors.initials: S
authors.lastname: Kumar
authors.forename: Nidhi
authors.initials: N
authors.lastname: Gupta
authors.forename: Ram
authors.initials: R
authors.lastname: Singh
mesh_terms: D000818:Animals; D002645:Chickens; D005260:Female; D010373:Lice Infestations / Q000469:parasitology / Q000662:veterinary*; D015993:Life Tables; D008297:Male; D009758:Nymph; D008003:Phthiraptera / Q000254:growth & development* / Q000502:physiology*; D011158:Population Growth; D011201:Poultry Diseases / Q000469:parasitology*; D012098:Reproduction; D013997:Time Factors