TY  - BOOK
AU  - Nielsen, Henning E
TI  - Nutrition of boards, sow and piglets
U1  - 636.4085 N54 
PY  - 1958///
CY  - Copenhagen
PB  - National Institute of Animal Science Departament of Pig Research
KW  - Ganado porcino
KW  - Nutrición I. t
N1  - Fotocopía
ER  -