When to feed a cat after an enterotomy
2-year-old cat operated on for a linear foreign body (thread) with three enterotomies. It had not eaten for 4 days before surgery. It has recovered from anaesthesia, is normothermic and is not vomiting.
When should feeding start?
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A. After 3–5 days, once intestinal healing is secure
Prolonged fasting causes mucosal atrophy, delays healing and promotes bacterial translocation; in a cat that has already gone days without eating, it also increases the risk of hepatic lipidosis.
B. Total parenteral nutrition only, for a week
If the gut works, the enteral route is preferable: it is more physiological, cheaper and protects the mucosa. Parenteral nutrition is reserved for when enteral feeding is not possible.
C. Within the first 12–24 hours, with small frequent meals of a digestible diet; if it does not eat enough, via a feeding tube
Correct. Early enteral feeding nourishes enterocytes, promotes healing and is associated with fewer complications and shorter hospital stays. If the cat does not eat, a nasoesophageal or oesophagostomy tube allows feeding.
D. Water only for 48 hours, then a homemade bland diet
This delays nutrition without benefit, and unbalanced homemade diets do not meet the needs of a cat already in negative energy balance.
lightbulb Key takeaway
Offer palatable food as soon as the cat is awake and not vomiting, and calculate its resting energy requirement. If it does not meet it voluntarily within 1–2 days, place a tube (an oesophagostomy tube is well tolerated and allows discharge). Do not syringe-feed by force: it causes food aversion.
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Updated: October 31, 2026 · Educational content for veterinary professionals. It does not replace current clinical guidelines or the judgement of the attending veterinarian.