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03 Oct 2022

Lameness in the dairy herd – act now: Advice for Kilkenny Farms

One of the hidden costs when it comes to milking cows is lameness

Kilkenny

File pic.

As the workload eases on the farm after a busy calving and breeding season now might be a good time to assess where improvements can be made on the farm both financially and labour saving, according to Teagasc.


One of the hidden costs when it comes to milking cows is lameness. It can also take up a lot of valuable time if the cow has to be kept in a separate paddock or increases the length of time it takes to get the cows to and from the milking parlour.


When everything is included the cost of dairy cow lameness could be up to €300 per case, not to mention reduced animal welfare and the hassle factor of lame cows.


Work carried out by Moorepark showed a lameness rate of 4% in spring and over 7% in autumn, but with a large range across herds. Cows with problems in the spring were 10 times more likely to re-appear as lame in the autumn.


The main lameness causes for a grazing herd are mechanical, e.g., bruising, white line disease, ulcers, as opposed to infectious, e.g., Mortellaro, foul in the foot.
The priorities are therefore related to surfaces and managing cow flow around milking times.


Now is a good time to address issues on the farm before we move into the highest risk time of year. Here are some things to implement.

  • Problem spots – seemingly small problem areas like standing water, poorly drained corners, broken surfaces, shading by overgrown trees, etc., can cause major lameness problems. Identify and fix these as a first step.
  • Road surfaces – are they in good enough condition? Small pebbles and grit are the main cause of white line disease. If this is being seen at hoof trimming, then there is an issue to be fixed. Surfaces should be smooth and finished with a well-compacted surface material. Take an hour or two to walk farm roads and note the quality of the surface, getting a second opinion if possible.
  • Interface area – the step from roadway to concrete can often be a cause of lameness due to pebbles being dragged onto the hard surface. Laying 8-10m of a material like astro-turf at yard or tunnel entries/exits has worked very well for many farms.
  • Road verges – a common problem is buildup of grass/sods along the road over time, which impedes drainage. Remove these or at least break regular openings to provide drainage.
  • Cow flow in and out of the parlour – are there simple modifications that could be made, e.g., remove sharp turns, provide matting on narrow parlour exits? Check the size of the collecting yard – providing more than 1.5m2 per cow reduces stress on cows’ feet.
  • Hoof trimming – lameness is a repeat offender problem. All cows that were treated during spring or have a previous history should be drafted for selective trimming before mid August.
    Check all cows for rear hoof condition at milking – trim overgrown digits before clinical lameness emerges.
  • Foot bath for infectious disease control where identified. Follow a clear protocol for product use and schedule of treatments. Poorly done foot-bathing is worse than none at all.

Now is a good time to act on any adjustments that need to be made while weather conditions are good and before we enter the high risk period i.e. when cows are heavier in-calf and ground conditions become soft.

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