cows: Cooling down hot cows
In speegled/fosdata: Data for use with the book "Probability, Statistics, and Data: A Fresh Approach Using R", by Darrin Speegle and Bryan Clair
cows R Documentation
Cooling down hot cows
Description
Cows in California were sprayed down with water using various nozzles. The temperature of the cows
was measured at various body parts and time intervals. Descriptions of the variables are due to the
authors of the study.
Usage
cows
Format
A data frame with 798 observations of 9 variables
- cow
ID of the cow that was measured.
- date
Date that the cow was treated.
- nozzle
Model number of the 6 nozzles tested; control indicates treatment with no spray; each cow received each treatment 3 times
- flow_rate
Rate at which water was sprayed on cows, in liters per minute.
- body_part
The body part of the cow where the temperature (degrees Celsius) was taken.
- min_01, min_02, min_03, min_04
Value of the skin temperature measurement recorded 1, 2, 3 or 4 minutes after the first 3-min spray application began.
Details
From the authors: "Dairies in the United States commonly cool cattle with sprinklers mounted over the feed bunk that intermittently spray the cows' backs. These systems use potable water—an increasingly scarce resource—but there is little experimental evidence about how much is needed to cool cows or about droplet size, which is thought to affect hair coat penetration. "
Source
Tucker, Cassandra B., Schütz, Karin E., & Van Os (Chen), Jennifer M. (2020). Data from: Cooling cows efficiently with sprinklers: physiological responses to water spray [Data set].
speegled/fosdata documentation built on Feb. 8, 2025, 8:17 a.m.
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| cows | R Documentation |
Cooling down hot cows
Description
Cows in California were sprayed down with water using various nozzles. The temperature of the cows was measured at various body parts and time intervals. Descriptions of the variables are due to the authors of the study.
Usage
cows
Format
A data frame with 798 observations of 9 variables
- cow
ID of the cow that was measured.
- date
Date that the cow was treated.
- nozzle
Model number of the 6 nozzles tested; control indicates treatment with no spray; each cow received each treatment 3 times
- flow_rate
Rate at which water was sprayed on cows, in liters per minute.
- body_part
The body part of the cow where the temperature (degrees Celsius) was taken.
- min_01, min_02, min_03, min_04
Value of the skin temperature measurement recorded 1, 2, 3 or 4 minutes after the first 3-min spray application began.
Details
From the authors: "Dairies in the United States commonly cool cattle with sprinklers mounted over the feed bunk that intermittently spray the cows' backs. These systems use potable water—an increasingly scarce resource—but there is little experimental evidence about how much is needed to cool cows or about droplet size, which is thought to affect hair coat penetration. "
Source
Tucker, Cassandra B., Schütz, Karin E., & Van Os (Chen), Jennifer M. (2020). Data from: Cooling cows efficiently with sprinklers: physiological responses to water spray [Data set].
R Package Documentation
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Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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