Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 3.20
Milk (kg) -78.00 -0.014 1.09
Fat (kg) -1.75 -0.375 0.66
Prot (kg) -3.28 -0.441 1.45
Fertility Sub Index 8.04
Calving Interval (days) -4.16 -1.459 6.07
Survival (%) 1.76 1.117 1.97
Calving Sub Index 1.52
Gestation Length (days) -1.65 -0.919 1.52
Beef Sub Index 0.23
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 4.71 -0.432 -2.03
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 16.29

* Based on an €80/tonne carbon price