1. Comparison of currently used semen extenders in the swine industry;Althouse;Comp Cont Ed Prac Vet,1997
2. Cytoplasmic droplets on boar sperm cells;Althouse;Swine Health Prod,1998
3. Evaluating porcine semen for artificial insemination. Part I. Standard tests;Althouse;Comp Cont Ed Prac Vet,1997
4. Evaluating porcine semen for artificial insemination. Part II. Assessment of cell membranes and viability;Althouse;Comp Cont Ed Prac Vet,1997
5. Variation in fertility of cooled boar semen related to sperm-egg interaction;Berger,1992