Effects of clinical mastitis caused by gram-positive and gram-negative bacteria and other organisms on the probability of conception in New York State Holstein dairy cows.
Hertl
J A
JA
Section of Epidemiology, Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA. jah12@cornell.edu
Gröhn
Y T
YT
Leach
J D G
JD
Bar
D
D
Bennett
G J
GJ
González
R N
RN
Rauch
B J
BJ
Welcome
F L
FL
Tauer
L W
LW
Schukken
Y H
YH