From: Premature farrowing and stillbirths in two organic sow farms due to riboflavin deficiency
Parameter | Before vit. B2 deficiency* | During 2020 | Monitoring period |
---|---|---|---|
Average litter size (Total born piglets) | – | 16.1 | 17.3 |
% of live born | – | 88% | 87% |
% of stillborn piglets | – | 12% | 13% |
Pre-weaning piglet mortality (%) | – | 40% | 20% |
Number of weaned piglets per sow/year | – | 17 | 24.12 |
% of sows showing return to oestrus | – | 20% | 18% |