Liver Health

The poultry liver is central to carbohydrate, protein and fat metabolism, bile production, detoxification and the handling of nutrients absorbed from the intestine. Its workload is high in fast-growing broilers and in layers mobilising nutrients for sustained egg production. Feed-borne mycotoxins, rancid fats, nutritional imbalance, infectious challenge and prolonged medication can all add pressure. Fat accumulation is a separate but related concern, particularly in high-producing hens when dietary energy intake, lipoprotein transport and exercise are out of balance.

Liver stress rarely presents as one distinctive shed sign. A farm may first see poorer feed conversion, reduced appetite, uneven gain, a production dip or a flock that does not respond as expected despite acceptable feed intake. Post-mortem findings can include enlargement, friability, abnormal colour, haemorrhage or excess fat, but these findings have multiple possible causes and require veterinary interpretation. Feed history matters: review new raw-material lots, mould risk, storage moisture, fat quality and toxin-control records alongside mortality and performance curves. Compare affected and unaffected houses, and retain representative feed samples from each delivery so a suspected exposure can be traced rather than guessed. Because liver damage may be secondary to infection or intoxication, supplementation should sit behind diagnosis and correction of the primary exposure. Early attention protects the organ’s metabolic reserve; it does not replace mycotoxin analysis, ration correction, disease investigation or appropriate veterinary care.