ADSA 2005: Persistency of lactation
(
5
)
Cole and VanRaden
2004
2005
Persistency
VanRaden 1998 6
th
WCGALP XXIII:347-350
w
Definition
w
305 daily yield deviations (DIM -
DIM
o
)
w
Uncorrelated with yield by choosing
DIM
o
w
DIM
o
were
161
,
159
,
166
, and
155
for
M, F, P, and SCS
•
DIM
0
have increased over time
w
Standardized estimate