These are the most frequently used words in this book.
1997
1998
age
agents
animals
antibodies
boars
breeding
building
chapter
control
days
disease
during
early
elimination
exposure
facilities
farms
farrowing
feed
figure
finisher
first
flow
free
gilts
group
harris
health
herd
immunity
infected
infection
infectious
iowa
isolated
isolation
isowean
level
location
loci
locus
management
may
methods
mew
minnesota
must
new
number
nursery
pathogens
per
performance
pic
piglets
pigs
placed
pork
principle
prior
producers
production
programs
prrs
prrsv
reared
rearing
replacement
room
see
should
single
site
source
sows
stage
status
stock
swine
system
table
term
test
three
time
traditional
two
type
university
used
usually
vaccines
veterinary
via
virus
weaned
weaning
weeks