I have different farms with brown and white layers (LSL and LB), which show a yellowish and foamy diarrhea shortly after being placed on the production farm (18 weeks of life). We could find different germs, but never consistently one except Brachyspira in the ceca. But histology showed a mixed inflammation in the jejunum and ileum, not in the ceca. The chickens don´t die, they are vital, but have this enteric issue and very pale yolks. Has anybody had such a case?
It may be a simple dysbacteriosis. Birds are naturally immunosuppressed around point-of lay, coupled with the stress due to a change of environment there may be issues with normal regulation of gut immunity or changes to composition of the microbiota. This may be a transient problem as they become settled. It may be worth trying a probiotic or even live yoghurt to help. We have used this for buresectomised animals and it prevents simple GI tract upsets.
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