Trace Minerals for California Beef Cattle
University of California, Cooperative Extension
Sierra County Mineral Data
Selenium
Five herds (total 46 head) in Sierra Valley had an average whole blood selenium value of 0.022 ppm. Se levels below 0.04 ppm are considered deficient and responsive to supplementation. Cattle in Sierra County should be considered Se deficient unless testing confirms adequacy.
Copper
Three herds (total 22 head) in Sierra valley had an average serum copper value of 0.15 ppm. This value is considered deficient. Further testing is needed.
Zinc
Insufficient data are available for conclusions.
Phosphorus
Insufficient data are available for conclusions.
|
Blood samples* |
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|
WEIGHTED AVERAGES |
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|
Se |
Cu |
Zn |
P |
|
|
0.022 |
0.15 |
no data |
no data |
All Values |
|
na |
na |
na |
na |
Class 1 data only (random samples) |
|
0.022 |
0.15 |
no data |
no data |
Class 2 data only (field trials, selected herds) |
|
no data |
no data |
no data |
no data |
Class 3 data only (sick cattle) |
|
Number of Individuals (used in weighted averages) |
||||
|
Se |
Cu |
Zn |
P |
|
|
46 |
22 |
0 |
0 |
All Values |
|
0 |
0 |
0 |
0 |
Class 1 data only (random samples) |
|
46 |
22 |
0 |
0 |
Class 2 data only (field trials, selected herds) |
|
0 |
0 |
0 |
0 |
Class 3 data only (sick cattle) |
|
Number of Samples |
||||
|
Se |
Cu |
Zn |
P |
|
|
0 |
0 |
0 |
0 |
No. of Individuals |
|
5 |
3 |
0 |
0 |
No. of Herds |
|
46 |
22 |
0 |
0 |
No. of Individuals in herds |
|
46 |
22 |
0 |
0 |
Total number of individuals |
|
Lowest and Highest Values (Individuals only) |
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|
Se |
Cu |
Zn |
P |
|
|
0.0000 |
0.00 |
0.00 |
0 |
Lowest individual value |
|
0.000 |
0.00 |
0.00 |
0 |
Highest individual value |
|
* Se whole blood, Zn & P serum, Cu whole blood or serum |
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