

If cows fall into a poorly recovered or low rumination group post day 5 they NEED examined. Often they are sick.

Firstly check them for mastitis.

Are they lame? Bruising ( especially in heifers ) and footrot are not uncommon at this time of year.

If these aren’t obvious draft the cow to examine.
Take their temperature. Above 39.5 is abnormal.
Metricheck the cow. If metritis is present treat with metricure.

Some as early as 3-4 days will already be clear mucus and fully recovered.

Some will still have some blood but be mainly mucus. Don’t treat these either.

Some will have blood that is hot and putrid. These NEED TREATMENT.

You will generally not see pus like a normal metricheck exam performed later post calving. But I have seen this as early as 12 days post calving. Again they NEED TREATMENT.
Do a rectal exam and consider if the consistency of the faeces is normal? She may have acidosis.

If you find nothing consider non steriodals to make the cow feel better and eat more.

Leave her on once a day until recovered.