sow

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sow

(sou)
n.
a. An adult female pig, especially one that has had at least one litter.
b. The adult female of several other animals, such as the bear.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
References in periodicals archive ?
Minimizing non-productive sow days. The Ohio State University Extension.
Productivity index of pig with the different growth stages Growth stages Pregnant sow Farrowing sow Weaning pig Productivity Non-productive --Number Survival index sow days (1) of weaners rate --Survival rate (2) Growth stages Growing pig Fattening pig Productivity Survival --Appearance rate index rate of A grade pork --Days of slaughter weight at 110 kg --Survival rate (1) Non-productive sow days (NPD) = 365 - [(litter/sow/year) x (gestation days???