A sow that will not let piglets nurse—or that appears to have little milk—needs attention quickly because newborn piglets have limited energy reserves and depend on warmth, colostrum, and frequent nursing.
First: Warm Piglets Nurse Better
Cold, weak piglets are poor competitors at the udder. Keep the piglet area dry and draft-protected with a warm creep zone while avoiding overheating the sow. Merck notes that the preferred thermal environment of the sow and newborn piglets is very different, which is why zonal heat is useful. [2] Penn State also emphasizes warming and colostrum management during the first critical hours and days. [3]
With my own litters, I treat roughly the first two weeks after farrowing as a critical period. I provide supplemental heat with heat lamps for the piglets during that window, while making sure the sow is not forced into the same hot zone. That is supportive care, not a substitute for nursing, colostrum, or veterinary attention when the sow is ill or milk production is inadequate.
Watch the Sow Closely
Do not automatically label her a bad mother. A first-time gilt may be restless or inexperienced, but pain or illness can also interfere with nursing. Look for:
- Hot, hard, swollen, painful, or uneven mammary glands.
- Fever, depression, or refusal to eat.
- Foul or abnormal vaginal discharge.
- A long or difficult farrowing.
- Piglets that repeatedly nurse but remain hungry or fail to settle.
Postpartum dysgalactia syndrome is a multifactorial problem involving inadequate milk or colostrum production; signs can include fever, mammary inflammation, poor appetite, reduced milk, and piglets failing to thrive. [1]
Colostrum Is the First Nutritional Priority
Newly farrowed piglets should be checked to ensure that they receive colostrum. [2] If piglets are not nursing normally, act early rather than waiting for them to become weak.
Help Nursing Without Creating More Risk
If the sow is calm enough, quiet supervision may help piglets find teats while she lies down. Keep the environment calm and avoid unnecessary restraint that could injure the sow or piglets. If you are considering bottle, syringe, tube, or other supplemental feeding for weak neonates, get veterinary guidance on the product and method because aspiration and incorrect feeding are real risks.
When the Sow Needs the Vet
Fever, marked udder pain, foul discharge, collapse, severe lethargy, inability to rise, or continued lack of milk warrants veterinary attention. Metritis in sows can be associated with malodorous discharge, fever, decreased appetite, mastitis, and agalactia. [4]
Do Not Forget the Smallest Piglets
Small or chilled piglets may need extra assistance even when the sow is otherwise normal. Prioritize warming, access to colostrum, and frequent observation. [3]
Prepare Before Farrowing
Clean dry bedding, a safe piglet warming area, working water for the sow, a way to observe without excessive disturbance, and a veterinarian you can contact are more valuable than a shelf full of emergency products.
The Bottom Line
Protect the piglets while you identify whether the problem is maternal behavior, pain, illness, difficult farrowing, or inadequate milk production. Warmth and colostrum are urgent; diagnosis determines the longer-term fix.
For the full birth-through-day-three sequence, see the Kunekune farrowing and newborn piglet care guide.