ANFS251 Lecture Notes - Lecture 17: Gilt-Edged Securities, Gestation, Globulin

• School: University of Delaware
• Department: Animal and Food Sciences
• Course: ANFS251
• Professor: Lesa Griffiths

Document Summary

If thin at breeding, they may be flushed (inc. energy feeds) by full-feeding for 1-2 weeks prior to breeding. Nutrient requirements of the pregnant sow are low, particularly during the first of gestation. The majority of fetal development occurs during the last month of gestation. Sows should be fed at a level to accommodate growth of the fetuses and placenta. Gilts should be fed to gain more of their own body weight as they have not reached mature size. Targeted pregnancy weight gain should be 75-85 lbs for sows. May not have sufficient body stores to produce sufficient milk. Attempts to devise a system for self-feeding of sows have met with limited success. Sows carry rfid ear tags, so they can be identified by the feeding station to recieve their individual feed ration. Recent interest in use of supplemental fat at high levels in sows" feed during late gestation.