TY  - BOOK
AU  - Asker,Nage El-Sayed Ahmed
TI  - Calcium requirements as affected by other nutrients in the rations of laying hens
PY  - 1977///
KW  - Poultry
KW  - Feeding and feeds
KW  - Calcium in animal nutrition
N1  - Thesis (Ph.D )--Ain-Shams University, 1977; Includes bibliographical references (leaves 143-171); Microfiche; Cairo, Egypt; ASUNET; 3 microfiches : negative
ER  -