l6o MAINE AGRICUIvTURAL e;xPE:RIME;nT STATION. I909. 



1904. 



Report of the Poultry Ma^ager. 



Canada Expt. Farms Kept. 1903, pp. 239-255. 



Some data on effect of housing conditions on fertihty and 

 hatching quaHty of eggs. 

 1905. 



Report of the Poultry Manager. 



Canada Expt. Farm Rept. 1904, pp. 283-311. 



Data on duration of fertility after removal of male. 

 Maximum observed 11 days. 

 1906. 



Report of the Poultry Manager. 



Canada Expt. Farms Rept. 1905, pp. 233-261. 

 Confirms earlier work. 

 Gove, Hartley. 1907. 



Explain the Fertility. 



Farm Poultry. Vol. 18, No. 8, p. 212. 



Records of very exceptional fertility of a small flock (12 



pullets). 

 Gowell, G. M. 1902. 



Poultry Experiments in 1900-1901. 



Me. Expt. Stat. Bulletin No. 79, pp. 9-40. 



Data regarding influence on hatching quality of eggs of 



(a) method of keeping pending incubation, (b) shape and 



size of eggs. Also some data on relation of duration of 



mating to fertility of eggs. Number of eggs involved in 



the experiments not large. 



Poultry Experiments in 1902. 



Me. Expt. Stat. Bulletin No. 93, pp. 69-92. 



Data on variation in fertility of eggs, influence of hen, 

 and of egg production on fertility of eggs. 



Poultry Experiments. 



Me. Agr. Expt. Stat. Bulletin No. 130, pp. 101-132. 



Data on the influence on fertility and hatching quality 

 of (a) duration of mating, (b) previous egg production. 



