BIRTH AND DEATH STATISTICS ON PIGS OF PREWEANING AGE.
D000818:Animals; D000831:Animals, Newborn; D005260:Female; D009026:Mortality; D036801:Parturition; D013223:Statistics as Topic; D013552:Swine; D014481:United States; D014730:Veterinary Medicine
ANIMALS, NEWBORN; MORTALITY; STATISTICS; SWINE; UNITED STATES; VETERINARY MEDICINE