TY  - BOOK
AU  - Nichols, James Edward,
TI  - Livestock improvement in relation to heredity and environment
U1  - 636.082 
PY  - 1944///
CY  - Edinburgh, London
PB  - Oliver and Boyd
KW  - Livestock
KW  - Heredity
N1  - Includes Bibliographical references (p. 191-202)
ER  -