Swine are now going to market in large numbers. This offers an excellent opportunity to study market types as represented in the herd and compare them with the sows from which they were produced. If brood sows for spring litters have not all been selected, the teacher has some valuable work for pupils in selecting the better prospects from the available groups.
©1928 by Iowa State Teachers College
Rath, H. Earl
"Fall and Winter Material in Animal Husbandry,"
Science Bulletin: Vol. 1:
2, Article 12.
Available at: https://scholarworks.uni.edu/science_bulletin/vol1/iss2/12