No. Multiple boluses simply sit in the reticulum and do not cause any damage or discomfort.

The Se 365 bolus provides the maximum allowable amount of selenium to be released to the animal and this level is safe for all ages of cattle. Also, since the calves are growing rapidly their need for selenium is the same as for larger, adult cattle.

Yes. The Se 365bolus is safe and effective for calves over 3 months of age.

Yes. The two products can be given together. They do not interfere with each other in any way.

Just one bolus per animal per year is adequate. More than one will not be more effective. An older product that was similar required two boluses per

It sits in the reticulum, the front part of the rumen, and slowly releases selenium. It does not dissolve and causes no harm to the animal. It resides there much as a magnet does when given.

The bolus is designed to be given with a standard balling gun. No special equipment is needed.

Selenium deficiency can cause weight loss, diarrhea, poor weight gains, retained placenta, abortions, infertility, poor response to vaccines, white muscle disease, light hair coat, decreased immune response and decreased resistance to disease.

Selenium deficiency is the most commonly diagnosed beef cattle health problem in California. A simple blood sample can be used for analysis to determine if an animal or a herd is normal, deficient or marginal.