Table 1 FARM A. Reproductive performance before, during and after the occurrence of riboflavin (vit B2) deficiency (during the monitoring period of 18 months, from January 2021 to June 2022) following treatment
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) | 19 | 18.9 | 18.8 |
% of live born piglets | 89.6 | 85.0 | 89.5 |
% of stillborn piglets | 10.4 | 15.0 | 10.5 |
Pre-weaning piglet mortality (%) | 18 | 50 | 20 |
Number of weaned piglets per sow/year | 28 | 16 | 27 |
% of sows showing return to oestrus | 15 | 17 | 15 |