Pig International - November 2017 - 15
PigInternational ❙ 15
In acute cases, sows will have a high temperature,
appear unwell and often not want to suckle.
| Iheartcountryphoto, Dreamstime
Sow mammary glands showing purple skin
discoloration associated with inﬂammation due
to mastitis. | Animal and Plant Health Agency
infection," explained Webster. Mastitis may also occur following udder edema or the failure of milk letdown.
Increased intake of a low-fiber, high-energy diet in
the days up to farrowing, along with reduction in exercise
and drinking, all affect gut motility, causing constipation.
"Coming up to farrowing, I would advise cutting back a
bit on sow's feed," said Webster. "Modern genetics mean
that sows produce a lot of colostrum prior to farrowing, and
the pressure caused by this can damage the mammary tissues." Webster also suggested that the ration should include
a good source of fiber to prevent constipation. "In this situation, endotoxins from bacteria in the gut can cause hard
udder, which can lead to the development of mastitis."
One of the main ways mastitis infections are spread is
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