Siegel, HeS., 1959. Ege production characteristics and adrenal 
function in White Leghorns confined at different floor 
space levels. Poultry Soi. 38:893-898, 
Smyth, Jre, JeRe, DeLe Anderson, and T.W. Fox, 1959. The effects 
of furazolidone and vitamin E on turkey reproduction. 
Poultry Sci. 38:288=-296. 
Snyth, Jre, JoR., and T.W. Fox, 1960. Massachusetts progress 
report to N.E. 6 Northeastern Regional Poultry Breeding 
Project. 
Stadelman, W.J-, RV. Boucher and E. W. CHllenbach, 1950. The 
effect of vitamin D in the turkey breeder ration on egg 
production and hatchability and on growth and calcification 
of the poults. Poultry Sei. 29:146-152, 
Stadelman, Wed., Re Kruiswyh and W.B. Dockstader, 1952. Some 
pe 48 diethylstilbestrol on turkey hens. Poultry Sci. 
31:3152-184, 
Stoewsand, GeS., and M.L. Scott, 1961. The vitamin A requirements 
of breeding turkeys and their progeny. Poultry Sci. 
40:1255=1262. 
Sunde, Mole, WoW. Cravens, H.W. Bruins, C.A. Elvehjim, and J.G. 
Halpin, 1950a. The pteroylglutamic acid requirement of 
laying and breeding hens. Poultry Sel. 29:220-@226, 
Sunde, M.L., WW. Cravens, C.A. Elvehyim, and J.G. Halpin, 1950b. 
The effect of folic acid on embryoic development of the 
domestic fowl. Poultry Sei. 293696=702, 
Sunde, M.L., and H,R. Bird, 1959. The effect of pullet maturity 
on fertility and hatohability of eggs. Poultry Sci. 38: 
272=279 6 
Sykes, AHe, 1955. The effect of adrenaline on oviduct motility 
and egg production in the fowl. Poultry Sci. 343622628, 
Talmadge, DeW., 1959. The effect of diethylstilbestrol im- 
plantation in eight-week pullets on their reproductive 
ability. Poultry Sei. 38:211-213,. 
Titus, HeW., 1953. Variation of egg production and hatchability. 
Poultry Sci. 32:593=601. | 
Tower, BeAe, EeOe Burns, H.C. Austin, and F.L. Bonner, 1960. 
The performance of caged layers fed varying percentages of 
borax (polybor 3) in the ration, Poultry Sei. 3931190-1191, 
71 
