HHhhmm----- Just a thought Eddie.  The hog #'s are down in China from Desease.   They can get the protein's needed back quicker with chicken.  ( takes time to breed, farrow, grow, and get to slaughter Wt of hogs.) Chicken is faster, and chickens use a lot meal, sooner.  From egg hatch to meal consumption happens in days with chicken  -----get my thinking