TY  - BOOK
AU  - Swiefy,Swiefy Abd El Rahim
TI  - Determination of pubertal age in friesian cattle under Egyptian conditions new approach
PY  - 1988///
KW  - Friesian cattle
KW  - Breeding
KW  - Sexual behavior in animals
KW  - Puberty
KW  - Cattle
KW  - Growth
N1  - Thesis (M.S.)-- Cairo University,1988; Includes bibliographical references (leaves 81-102); Microfiche; ASUNET; Ain Shams University; 2 microfiches : negative
ER  -