Hunsaker, W.G., JR. Aitken, and G.S. Lindblad, 1956. fhe fere 
tilizing capacity of fowl semen as affected by time and 
temperature of storage. Poultry Soi. 35 (3) : 649-653, 
Jackson, H., Fox and Craig, 1961. Antifertility substances 
and their assessment in the male rodent. Jour. Reprod. 
and Fert. 2 : 447-465. | 
Kamar, G.A.R., 1958. The collection of cock's semen without 
ma eine the copulatory organ. Poultry Sci. 37 (6) : 
-13 5. 
Kamar, G.A.R., 1959. The differentiation of live from dead 
sperms in fowl semen. Stain Technology 34 : 5=7. 
Kamar, G.AeR., and A.L. Badreldin, 1959. Seasonal variations 
in semen characteristics of adult Fayumi cocks. Poultry 
Sei. 38 (2) 3: 301-315. 
Kosin, I.L., M.S. Mitchell, and W.T. Burrows, 1952. Influence 
of temperature on the reproductive performance of the 
Broad Breasted Bronze toms. Poultry Sci. 31 : 180-182, 
Kosin, I.L., MS. Mitchell, and E. St. Pierre, 1955. Ambient 
temperature as a factor in turkey reproduction. 2. The 
effect of artificially lowered air temperature on the 
breeding activity of males in late spring and in summer. 
Poultry. Sei. 34 3 499-505. 
Lamoreux, W.F., 1940. Spermatozoal antibodies and infertility 
in the fowl. Jd. Exp. Zool. 85 : 419=430, 
Law, GeR.J., and I.L. Kosin, 1958. Seasonal reproductive a- 
bility of male domestic turkeys as observed under two 
ambient temperatures. Poultry Sci. 37 (5) : 1034-1047. 
Lorenz, F.W., 1959. Reproduction in the domestic fowl : 
physiology of the male. Chapter 11 in: Reproduction in 
domestic animals, volume 2. Edited by H.H. Cole and P.T. 
Cupps. Academic Press, New York. 451 pp. 
Lorenz, F.W., NE. Wilson, and V.S. Asmundson, 1955. Relation 
of frequency of collection to amount of semen obtained 
from turkey males, Poultry Sci. 34 !% 634-639. 
Lorenz, F.W., NE. Wilson, and V.S. Asmundson, 1956. Effect of 
long intervals between collection on semen production of 
turkey males. Poultry Sci. 35 (4) : 823-824, 
McCartney, JeL., 1923. Studies on the mechanism of steriliza- 
tion of the female by spermatoxin. Am. J. Physiol. 63 : 
207-217. 
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