jscunn":x64n1g6d said:
doc,
why do you think they are copper deficient, hair color or hair length? i looked at the minerals they are on now and there isnt much copper in them (0.003%). Just wondering what added copper would do for them? Thanks.
jscunn-
I have seen copper deficiency symptoms in a lot of cattle in the past - particularly in black cattle because their coats are prone to show that deficiency more readily than red or white cattle. The symptoms that flagged my attention to your cattle was the general overall reddish, rough hair coat in almost every one of the pictures. Other factors which indicate it are winter coats that are slow to shed, reduced growth rate, possible hoof problems, and sometimes fertility discrepancies, such as missed pregnancies or difficulty in settling some cows. It depends to a great extent, as with all nutritional deficiencies, upon the severity of the problem. You mentioned that the minerals that they are consuming presently has a content of 0.003%, which is not much. Generally it doesn't require very much copper to be an adequate amount, because it is a
trace mineral. But - it IS necessary for proper and optimal nutritional balance, because it works somewhat as a "covalent" with the atoms of neighboring minerals in order to be compatible with them.
It can be caused by an actual deficiency in the soil from which comes the forage the cattle consume, Or it may be an insufficient amount in the minerals that you feed, particularly if that mineral is out of balance with sulphur, molybdenum and iron.
The deficiency can be determined in two ways: blood analysis and nutritional analysis. I would suggest that you contact your Veterinarian and your feed/mineral supplier and investigate your possible deficiency problems. Have some blood tests performed on a few of those cattle, and have your mineral supplement analyzed along with an analysis of the forage (hay, pasture, etc.) that they have been consuming for the past several months, or through the winter. By investigating the problem that way you can pretty well be assured whether or not you are dealing with a copper deficiency or not.
But you SHOULD know for sure! Nutritional balance is as necessary as EPD traits and characteristics being considered in Multiple Trait Selection decisions in your breeding program!
Everything must be kept in
BALANCE if you are to experience optimal results!
Check out this link:
www.sweetlix/...documents/articles/Cattle_006.pdf
Or, do a SEARCH on 'DOGPILE.COM" subject :Copper deficiency in beef cattle
DOC HARRIS