文档介绍：Note Fig. 1 the soybean meal lot. formed, have _been very successful, and
The chicks are small, weak, only par• the fact that 648 birds were vaccinated
tially feathered out, feathers stairy not in a little over three hours shows how
lying close to the body and lacking the rapidly the work can be done.
glossy appearance. These birds were That vaccination has no detrimental
weak and offered very little struggle effect is clearly shown in the following
when taken into the hands. Fig. 2 table of egg yields for the three days
shows some of the flock which received preceding and the five days following
digester tankage as animal food. These the vaccination:
chicks are properly feathered out, (Vaccinated)
strong, well developed and vigorous.
They struggled when handled showing Production, November 20 213 eggs
t he strength and vigor only animal food " "21. 256 "
can give chicks. " "22 244 "
" "23 229 "
AN INTEBESTIKG EXPERIENCE " "24 264 "
WITH CHICKEN " "25 220 "
POX. " "26 218 "
J. E. DOUGHERTY, " "27 233 "
Chief, Poultry Division, " "28