Zerofen Worm Drench 10% Oral Suspension.
Uses
Zerofen 10% is a broad spectrum anthelmintic for the control of mature and developing immature forms of the following major species of roundworms in cattle and sheep. Zerofen has an ovicidal effect on nematode eggs.
In cattle it is effective against the following parasites:
Gastro-intestinal roundworms: Ostertagia, Cooperia, Trichostrongylus, Nematodirus, Haemonchus, Oesophagostomum, Bunostomum, Strongyloides and Trichuris species.
Lungworms: Dictyocaulus viviparus.
It is usually effective against inhibited larvae of Ostertagia species in cattle.
In sheep it is effective against benzimidazole susceptible strains of the following parasites:
Gastro-intestinal roundworms: Ostertagia, Haemonchus, Trichostrongylus, Nematodirus, Cooperia, Oesophagostomum, Chabertia, Bunostomum and Strongyloides species.
Lungworms: Dictyocaulus filaria.
It is usually effective for the control of tapeworms, Moniezia spp, in sheep. The product may be useful for the control of Trichuris in sheep.
Dosage and administration
To ensure administration of a correct dose, body weight should be determined as accurately as possible; accuracy of the dosing device should be checked.
| Cattle | |
| Bodyweight | Dose |
| 65 kg | 5 ml |
| 130 kg | 10 ml |
| 200 kg | 15 ml |
| 265 kg | 20 ml |
| 335 kg | 25 ml |
| 400 kg | 30 ml |
| Over 400 kg give 5 ml per 65 kg. |
| Sheep | |
| Bodyweight | Dose |
| Up to 10 kg | 0.5 ml |
| 11–20 kg | 1.0 ml |
| 21–30 kg | 1.5 ml |
| 31–40 kg | 2.0 ml |
| 41–50 kg | 2.5 ml |
| 51–60 kg | 3.0 ml |
| 61–70 kg | 3.5 ml |
| 71–80 kg | 4.0 ml |
| Over 80 kg give 0.5 ml per 10 kg. |
Contra-indications, warnings, etc
Withdrawal periods
Animals must not be slaughtered for human consumption during treatment. Cattle may be slaughtered for human consumption only after 14 days from the last treatment. Sheep may be slaughtered for human consumption only after 21 days from the last treatment.
Milk for human consumption must not be taken during treatment. Milk for human consumption may be taken from cows only after 132 hours from the last treatment. Do not use in sheep producing milk for human consumption.
Special warnings
Shake container before use. Do not mix with other products.
Direct contact with skin should be kept to a minimum. Wear suitable protective clothing including impermeable rubber gloves. Wash hands after use.
Intensive use or misuse of anthelmintics can give rise to resistance. To reduce this risk dosing programmes should be discussed with your veterinary adviser.
Environmental warnings
Do not contaminate ponds, waterways or ditches with product or used containers.
Unused product and containers should be disposed of in accordance with any guidance from an appropriate waste regulation authority.
For animal treatment only. Keep out of the reach and sight of children.
Pharmaceutical precautions
Do not freeze. Intensive use or misuse of anthelmintics can give rise to resistance. To reduce this risk dosing programmes should be discussed with your veterinary adviser.
Legal category
Legal category: POM-VPS
Packaging quantities
Standard packs – 1L, 2.5L, 5L, 10L
Flexi packs – 1L, 2.5L, 5L.
Shipping charges mainland GB zone1
| Value | Weight | Delivery Charge |
| Over £49.00 | Any Weight | FREE |
| Under £49.00 | No weight limit | £4.50 |
| Under £49.00 | Under 250 grams | £3.49 |
Most orders are despatched the same day and standard delivery is 3 to 5 working days from despatch. FAST Expedited options are available at extra cost - these usually arrive in 24-48hrs from dispatch but delays are possible during busy periods.
Postcodes outside of Zone 1 (including some areas within mainland UK) may incur extra carriage charges due to surcharges imposed by the couriers. These will be calculated on the website at the checkout.
NB: Orders placed with faster delivery must be placed before 13:00 to ensure same day dispatch (excluding weekends and bank holidays). Please also check on the product page that the items ordered show 'In Stock' otherwise your order will be delayed until the stock becomes available, which in most cases will only be 24hrs.
Estimated "Usually shipped in" information is shown against most products
Overseas orders
We no longer send goods outside of the UK.
Prescription Items
Prescription items will be sent on receipt of a legally valid signed and dated prescription.
Pick up
We offer a pickup service for orders placed over the phone.
Please ring us on 01833 641112 for more information.
Refrigerated Items
- Refrigerated lines Packaging Cost: Despatched with Woolcool Refrigerated Packaging for £7.50.
- Receipt Required: Someone must be available to receive the delivery. Woolcool packaging is designed for temperature-controlled goods, so parcels cannot be left unattended.
- Immediate Refrigeration: Upon receipt, refrigerate the contents immediately to ensure your food or medicine remains at the correct temperature.
- Failed Delivery Attempts: We are not responsible for the cost of replacements if a delivery attempt fails due to the absence of someone to receive it.
We want you to be completely satisfied with any purchase. If not any item* can be returned to us within 14 days of receipt for exchange or refund Please give us a ring for a returns number on 01833 641112 or alternatively email sales@hyperdrug.co.uk to obtain a returns number.
*Due to legal requirements medicines may not be returned except to correct an error in despatch or in response to an "official recall". If an item is believed to be faulty it should be returned for inspection and it may be necessary to forward it to the manufacturers for testing before replacements or refunds can be authorised. This does not infringe legal rights. Please contact our customer services for a "Returns Number" which must appear on the outside of the package or it will not be accepted. We advise customers to use an insured method of shipping and to retain proof of despatch. We may refuse returns on products specially obtained or manufactured to order. Items must be returned unsoiled and unused and sent adequately packed and carriage paid.