| C. parvum |
Binary |
The result of PCR detection for
Cryptosporidium parvum. This variable was treated as a
response variable in the hierarchical logistic regression model for
understanding the association between explanatory variables and C.
parvum infection. |
| Farm |
Categorical |
Farms where samples and questionnaire data were
collected. In total, 20 farms were included in this study. This variable was
used as the random effect in the model construction. |
| Farm size |
Continuous |
The number of calves in each farm was used to
represent the farm size. |
| Diarrheal |
Binary |
If calves presented with diarrheal symptoms at the
time that the sample was collected. |
| Tank |
Categorical |
Results of the PCR screening for
Cryptosporidium parvum with samples of tank water. The
variable was categorized into negative, positive, and no water tank in the calf
rearing enclosure. |
| Rearing enclosure |
Binary |
C. parvum screening results for the
swab samples collected from the calf rearing enclosure. |
| Floor-Clean |
Order |
Frequency of floor cleaning in the calves’
enclosure. 1, once per day; 2, once every two–three days; 3, once every
four–five days; 4, once in more than five days. |
| Tank-Clean |
Order |
Frequency of water tank cleaning in the calves’
enclosure. 1, once per day; 2, once every two–three days; 3, once every
four–five days; 4, once in more than five days. |
| BirthF-Clean |
Order |
Frequency of delivery enclosure cleaning. 1, once
per day; 2, once every two–three days; 3, once every four–five days; 4, once in
more than five days. |
| BirthT-Clean |
Order |
Frequency of cleaning of the water tank in the
delivery enclosure. 1, once per day; 2, once every two–three days; 3, once every
four–five days; 4, once in more than five days. |
| Calf-dis |
Binary |
Disinfection of the calves’ enclosure. 1, yes; 0,
no. |
| Birth-dis |
Binary |
Disinfection of the delivery enclosure. 1, yes; 0,
no. |
| Close-lac |
Binary |
The distance between the calves’ enclosure and the
lactating cows’ enclosure. 1, nearby; 0, not close to one another. |
| Yard |
Binary |
Yard provided in the delivery enclosure. 1, yes; 0,
no. |
| Bedding |
Binary |
Bedding materials provided in the delivery
enclosure. 1, yes; 0, no. |
| Dry-lac |
Binary |
The dry period enclosure and the delivery enclosure
are separate. 1, yes; 0, no. |
| Cow-p |
Continuous |
The prevalence of C. parvum in the
cows. |