Trace Minerals for California Beef Cattle 

University of California, Cooperative Extension

Solano County Mineral Data

 

Selenium

Selenium appears adequate at most locations.

Copper

Serum Cu samples are in the marginal range, with liver samples near marginal.  Large variation in liver Cu samples suggest Cu deficiencies occur, but some areas may be adequate.  Further testing is needed to better define  Cu status at specific locations.

Zinc

Class 3 data suggests adequate Zn levels.

Phosphorus

Insufficient Data

Blood samples*

WEIGHTED AVERAGES

Se

Cu

Zn

P

0.101

0.53

0.77

no data

All Values

0.121

0.71

no data

no data

Class 1 data only (random samples)

na

na

na

na

Class 2 data only (field trials, selected herds)

0.085

0.49

0.77

no data

Class 3 data only (sick cattle)

Number of Individuals (used in weighted averages)

Se

Cu

Zn

P

94

79

44

0

All Values

40

15

0

0

Class 1 data only (random samples)

0

0

0

0

Class 2 data only (field trials, selected herds)

54

64

44

0

Class 3 data only (sick cattle)

Number of Samples

Se

Cu

Zn

P

0

0

0

0

No. of Individuals

5

4

1

0

No. of Herds

94

79

44

0

No. of Individuals in herds

94

79

44

0

Total number of individuals

Lowest and Highest Values (Individuals only)

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

 

Liver samples (dry wt. Basis)

WEIGHTED AVERAGES

Se

Cu

Zn

P

no data

117.00

no data

no data

All Values

na

na

na

na

Class 1 data only (random samples)

na

na

na

na

Class 2 data only (field trials, selected herds)

no data

117.00

no data

no data

Class 3 data only (sick cattle)

Number of Individuals (used in weighted averages)

Se

Cu

Zn

P

0

45

0

0

All Values

0

0

0

0

Class 1 data only (random samples)

0

0

0

0

Class 2 data only (field trials, selected herds)

0

45

0

0

Class 3 data only (sick cattle)

Number of Samples

Se

Cu

Zn

P

0

0

0

0

No. of Individuals

0

1

0

0

No. of Herds

0

45

0

0

No. of Individuals in herds

0

45

0

0

Total number of individuals

Lowest and Highest Values (Individuals only)

Se

Cu

Zn

P

0.0000

0.00

0.00

0

Lowest individual value

0.000

0.00

0.00

0

Highest individual value