£49.97 exc VAT


Rosin based boluses, composed of two parts, forming a single cylindrical bolus.
Each 58g Tracesure-I bolus contains 3400mg iodine, 500mg selenium and 500mg cobalt.

Tracesure-I is a ruminal bolus for cattle, providing slow release supplementation of iodine, selenium and cobalt. Where dietary intake of iodine, selenium or cobalt is low, or where utilization of iodine is depressed by forage goitrogens, the health and productivity of the animal may be improved by supplementation of these elements.
Goitrogens are substances commonly present in brassicas (cabbage family), soya and in linseed meals, beet pulp and sometimes in pastures, which reduce the efficient utilisation of iodine in maintaining thyroid function. The thyroid gland produces hormones which control metabolism.
Selenium deficient stock may suffer from white muscle disease, increased still births, depressed fertility and poor growth rate.
Cobalt deficient stock may have depressed appetites and/or show signs of general ill-thrift and poor growth.
Tracesure-I boluses release supplementary iodine, selenium and cobalt for up to 5 – 6 months. These trace elements are released from the bolus by leaching, providing dietary supplementation. Spent boluses become large and fragile. They are eventually shed, intact or fragmented, by being regurgitated or excreted.

Dosage and Administration
Tracesure-I boluses are administered orally. Place the bolus at the back of the mouth, beyond the hump of the tongue, using a suitable dosing gun (e.g. the Tracesure Cattle dosing gun). To avoid injury, the dosing gun should be used carefully and without force. Normal swallowing movements should allow the dose to be passed easily into the back of the mouth, the bolus may then be ejected and passage of the gun beyond this point is not necessary. Always check that the animal swallows the bolus.

Cattle weight (kg)
200 - 549 = 1 bolus
> 550 = 2 boluses

Pasture analysis for trace element content is useful and laboratories undertaking this work can provide advice on the need for supplementation. Pasture swards can vary greatly in their trace element content. Contaminant soil can substantially alter the trace element supply.


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