Inheritance Studies of Dairy axd Beef Breeds. 



147 



TABLE XI. 

 Inheritance of Milk Production. 

 Daughter's Production. 



Corrected Difference 

 Breed of Sire Age Days in Milk Production Maximum Daughter Dam 



for 100 Days Production 



No. 



1 Jersey 



2-0-5 



110 



2016 



2666 



2 Holstein-Friesian 



2-8-26 



105 



3035 



3722 



11 Jersey 



2-3-22 



110 



2234 



2791 



12 Holstein-Friesian 



2-4-7 



93 



2314 



3405 



Dam's Production. 



Corrected Difference 

 Breed of Dam Age Days in Milk Production Maximum Daughter Dam 



for 100 Days Production 



Holstein-Friesian 



10-8-14 



104 



Guernsey 



3-9-2 



96 



Holstein-Friesian 



5-4-20 



123 



Guernsey 



4-4-5 



109 



3579 

 2243 

 3168 

 1830 



3600 

 2718 

 2686 

 1881 



—934 

 +1004 

 +105 

 +1524 



TABLE XII. 



Inheritance of Fat Content. 

 Daughter's Production. 



Production Corrected Difference 

 No. Breed of Sire Age Days in Milk Fat Per cent Maximum Daughter Dam 



Fat Per cent Production 



1 Jersey 



2-0-5 



110 



4.4 



4.4 





2 Holstein-Friesian 



2-8-26 



105 



3.2 



3.2 





11 Jersey 



2-3-22 



110 



3.2 



3.2 





12 Holstein-Friesian 



2-4-7 



93 



3.5 



3.5 





Dam's Production. 













Breed of Dam 



Age 



Days in 



Production 

 Milk Fat Per cent 



Corrected Difference 

 Maximum Daughter Dam 

 Fat Per cent Production 



Holstein-Friesian 

 Guernsey 

 Holstein-Friesian 

 Guernsey 



10-8-14 

 3-9-2 

 5-4-20 

 4-4-5 



104 



96 



123 



109 



2.5 

 3.4 

 3.6 



5.4 



2.7 +1.7 



3.5 —0.3 



3.8 —0.6 



5.6 —2.1 













