title: Effect of avian leukosis virus infection on productivity of layers.
authors.affiliation: Poultry Disease Laboratory, National Institute of Animal Health, Gifu, Japan.
authors.forename: K
authors.initials: K
authors.lastname: Tsukamoto
authors.forename: M
authors.initials: M
authors.lastname: Hasebe
authors.forename: S
authors.initials: S
authors.lastname: Kakita
authors.forename: H
authors.initials: H
authors.lastname: Hihara
authors.forename: Y
authors.initials: Y
authors.lastname: Kono
mesh_terms: D000818:Animals; D001353:Avian Leukosis / Q000503:physiopathology*; D001354:Avian Leukosis Virus / Q000302:isolation & purification; D002645:Chickens; D004531:Eggs / Q000382:microbiology; D005260:Female; D010058:Oviposition; D011336:Probability; D012741:Sexual Maturation