Variations in farrow with special reference to the birth weight of pigs. This book, "Variations in farrow with special reference to the birth weight of pigs. Volume 1", by W.J. Carmichael, is a replication of a book originally published before 1920. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.