John W. Mabry Professor Iowa State University 109 Kildee Hall Ames, IA 50011-3150 Phone: 515-294-6325 Fax: 515-294-5698 Email: jmabry@iastate.edu The purpose of this study was to determine the association of production factors with stayability to parity 4 (STAY4) under controlled... (Continue reading)
Inadequacies of Sow Lactation In intensive pig production systems, piglets achieve only about half their potential growth-rate during a lactation period. Rationale The amount and composition of milk that a sow produces has a significant impact on the growth, health... (Continue reading)
2010 July Effect of Feed Budget and Weaning Weight on the Performance of Nursery Pigs December Pork Fat and Iodine Value FAQs 2009 April Evaluating Akey crumb/mash program vs. Akey pellet program vs. competitor pellet program on the performance of... (Continue reading)
Preliminary data indicate no economic benefit from providing analgesia to sows at farrowing or to piglets at castration, writes Ed Barrie, Sow Weaner Pig Specialist at Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA), reviewing research presented at the... (Continue reading)
Introduction Economics drive profitability in hog production units. Inputs such as buildings and equipment are the second leading expense behind feed costs. Hoop structures offer a low cost alternative form of swine housing, however, production levels must be evaluated in... (Continue reading)
Allan P Schinckel, Professor of Animal Sciences, Purdue University If farm records are sorted into categories or relationships estimated from field records, the conclusions drawn for such analyses may be misleading. Farm records may have some underlying confounding the effects... (Continue reading)