458 POULTRY CULTURE 



The same setting of eggs will not all hatch at the same time. 

 The hatching will extend over a period of from six to thirty-six 

 hours. Breeders take this into consideration when allowing 

 time for shipments to reach destination. If they are delayed 

 enroute beyond the allotted time the oldest chicks are likely to 

 be dead upon arrival at destination, or partly starved and die 

 within a few hours, which makes it necessary that they be given 

 expedited service. 



The chicks are generally shipped in double corrugated paste- 

 board boxes properly ventilated for the average temperature 

 according to the season of the year. The chicks' bodies 

 generate enough heat to keep them comfortable in these boxes 

 unless exposed to extremes of heat or cold. Therefore, the 

 boxes should not be placed in the sunshine or set on steam 

 radiator or near a stove. 



Shipments of baby chicks must not be closely packed with 

 other freight. While the containers are so built that the air 

 cannot be entirely cut off, the excessive heat and lack of sufF- 

 cient ventilation will cause the chicks to suffocate. 



Shipments must not be allowed to remain out in the open 

 or be hauled about the streets on a cold day without placing 

 a blanket or some similar covering loosely over them. Do not 

 place on floor except in very warm weather. 



