20/05/2024
Nematodirus Alert!
If you have lambs old enough to be grazing, using ground used by ewes and lambs last year, Nematodirus could have a significant impact on your flock leading to diarrhoea, stunted growth and mortality.
The immature larvae cause the damage so we treat based on risk rather than egg counts for this worm, as very few eggs will be produced when the Nematodirus larvae are causing damage. Using forecasts from SCOPS and field grazing histories we can decide if treatment for the group is needed. White wormer is recommended when risk is high, for all lambs in the group, risk factors include:
• Scops forecast map (https://www.scops.org.uk/forecasts/nematodirus-forecast/)
• Cold weather followed by 10 days of warmer weather (>10oC.)
• Lambs old enough to be eating grass.
• Lambs under stress e.g. pet lambs, triplets on ewes.
• Lambs grazed on the same field the year before.
Please get in touch with the practice if you would like to discuss further on 017683 51819.