pigs: weaning and growth 159 



sow's pigs are marked two notches in the right ear and 

 one in the left, because 2 and 3 make 5 ; htter No. 6 is 

 marked two notches in the left ear, while litter No. 

 7 is marked two in the left and one in the right ; 

 No. 8, two in the left and two in the right; No. 9, 

 three in the left and No. 10, three in the left and one 

 in the right. If there are more than ten sows the 



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A SIMPLE SYSTEM OF EAR MARKING 



same method can be used for tlieir litters, up to ten, 

 placing the notches in the lower part of the ears. For 

 pigs of sows in numbers from 20 to 30 the notches 

 can be in the top of the ear. Sometimes the litters be- 

 tween ten and twenty are marked the same as between 

 one and ten, with the exception that a notch is put in the 

 top of one ear, which simply indicates that all pigs so 

 marked are numbered between ten and 20 and not be- 

 tween one and ten. On little pigs the notches should be 

 made quite small, otherwise disfigurement will result 

 when the hog is grown. Noticeable disfigurement of any 

 sort on animals intended for exhibition, places them at 

 a disadvantage in a close competition, perhaps depriving 

 them of an otherwise merited prize, and this should be 

 borne in mind when marking is being done. 



