The Accidental Smallholder Forum
Livestock => Sheep => Topic started by: CornishFarmer on September 16, 2011, 01:59:10 pm
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We have just tried Zermasect as an alternative. We found it excellent. Crovect has an 8 day withdrawal period and Zermasect a 28 day withdrawal. Table 4 at the link below gives some more detail of your options:
http://www.vmd.defra.gov.uk/pdf/ectoparasiticide.pdf (http://www.vmd.defra.gov.uk/pdf/ectoparasiticide.pdf)
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Last time i had a sheep go down bad with strike i sheared really hard as short as the old clippers would go, its amazing how many maggots the clippers will take, then a LARGE tripple dose of Spot on (only thing i had) rubbed into the area and pulled out as many as i could, next morning not a maggot insight the Ewe was a bit fragile for a while but she fully recovered.
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With a bit of TLC they will recover from really quite bad flystrike attacks. I have a spray from the vets (Strike Plus), its handy to have in your pocket for summer inspections. Kills the maggots quickly, but is as far as I know not a preventative. (I also use a preventative during the summer, like Vetrazin or CRovect, but you can still get the odd one being attacked).
In bad case/hot weather bring the ewe/lamb inside (with a friend), clip as close to the skin as possible and wash wounds daily with Savlon solution, plus Engemycin or Terramycin (blue) spray. Long acting antibiotic injection also recommended. Spoil her for a wee while with a bit of hard feed. Once the skin dies off I use a soothing cream like udder cream (or other ointment) to help speed up healing.