54 , A STUDY OF FARM ANIMALS 



a person to be a member of an association for promoting and 

 registering a breed, but it is desirable that he should be. As 

 a rule, members of registry associations do business with it 

 for about half the cost to outsiders ; and if one registers many 

 animals, one would soon cover the cost of membership, 

 which varies with the breeds from $5 to $100. 



Of ENTY IN THE HERO REGiSTEE; O 



cow 



Figure 13. A reduced size example of a registry certificate, as issued by the 

 American Jersey Cattle Club. 



The identification of breeding stock on the farm is 

 important. For this reason various methods are used to 

 mark animals so that they can be identified. Metal ear 

 tags, on which is stenciled the name or initials of the owner, 

 with a number, are in common use. Such a tag is fastened 

 in the ear, a hole being punched through which to pass a 

 part of the tag. These tags are often torn out and lost, and 

 so are not altogether popular. The tattooing of numbers 

 within the ear, by means of a special needle and an indelible 

 fluid, is also used to some extent. Hogs and sheep are com- 

 monly identified by notches cut in the thinner edge of the 



