References
- Dewar , WA and Whitehead , CC . 1973 . Sodium supplementation of broiler rations . British Poultry Science , 14 : 315 – 18 .
- Dewar , WA , Whitehead , CC and Siller , WG . 1972 . Effect of dietary sodium levels on the incidence of testicular cysts in the chick . British Poultry Science , 13 : 301 – 3 .