Physical and Physiological Responses to Animal Handling and Transport of Immunologically-Castrated Male Pigs (with IMPROVEST®), Gilts, and Physically-Castrated Males Fed Ractopamine
Published on: 12/22/2012
Author/s : Christopher Puls, Ellis M, Grohmann, N S, Gesing L M, Hardman S J, Ochoa, L, Shull, C M, Estrada, J E, McKeith F K (University of Illinois, Urbana, IL, USA), Schroeder A L (Pfizer Animal Health, Kalamazoo, MI, USA)
Improvest® (Pfizer Animal Health) is approved in a number of countries for immunological castration of male pigs. There is an increasing amount of research evaluating the growth performance and carcass characteristics of immunologically- compared to physically-castrated male pigs. However, there has been little if any research comparing the responses of these two genders during p...