300 



EXI'ERIilEXTAL FARMS 



4-5 EDWARD VII., A. 1905 



hinged doors- In front so as to be opened, or closed as required. Comfortable nests were 

 made of dry lawn clippings, or oat straw. Previous to putting a ben on lier nest 

 sbe was tborougbly dusted witli insect powder and so was ber nest. Experience 

 bas proved tliat lice infested bens are not successful sitters. Tbe bens are allowed to 

 sit for twenty-four and tbirty-six bours on tbree or four cbina eggs. Having proved 

 tbemselvcs reliable sitters tbe imitation eggs were removed and tliey were replaced by 

 tbe valuable eggs. Borrowed sitters sbould always be so treated for tbey are generally 

 infested witb vermin and a source of contamination to nest and premises tbey bappen 

 to be placed in. Grain of different kinds mixed, grit and drinlc water were always 

 before tbe sitters. 



HOW LO^"G DOES THE EFFECT OF FERTILIZATION LAST. 



Two interesting experiments, particulars of wbicb are given in tbe two following 

 tables, were made at tbe conclusion of tbe breeding season last summer. Tbe objects 

 aimed at were: — 



1. To find out bow long after tbe removal of tbe male bird from tbe breeding stock 

 was fertilization strong enougb to hatch out into a healthy chicken. 



2. How long after the removal of the male bird could the effect of fertilization 

 be traced ? 



The questions are answered by the results in the following tests 8 and 9. 



Test No. S. — With seven Barred P. Rock hens from which the mule bird was" 

 separated on June 29, 1904. On the same day eggs were put into an incubator and 

 thereafter, from time to time during twenty days. Details arc:— 



