DEVELOPMENT OF UNFERTILIZED EGGS. Eggs from virgin pullets are in- 

 cubated for eight days and then opened to see whether they are fertilized. 

 This phenomenon is known as parthenogenesis. 



PEDIGREE HATCHING. Genetic 

 attention to maintain accurate re | 



PREPARING SEMEN DILUENTS. Since poultry semen is very sensitive, only 

 precise amounts of materials must be added to make satisfactory artificial 

 semen diluents. 



PRODUCTION OF PHENOCOPIES 

 with vitamin analogs just before 

 their abnormalities often resemt 



^(nt<f ^ea*i4^ a^ 1Re4eaic4> 



benefit poultry industry 



Research in Poultry Science has been responsible for 

 an ever-increasing economy of production. C.onsumers 

 are able to procure poultry meat and eggs of better 

 quality produced with smaller amounts of feed. The 

 current efficiency of production of chicken broilers is 

 approaching two pounds of feed per pound of meat — 

 a record unsurpassed in animal agriculture. The fact 

 that one man can produce 15 tons of meat with 30 tons 

 of feed in an eight-week production period is the result 

 of research in poultry genetics, nutrition, and manage- 

 ment. 



\ V 



