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 19.61
Milk (kg) -515.00 -0.014 7.21
Fat (kg) -14.18 -0.375 5.31
Prot (kg) -16.06 -0.441 7.09
Fertility Sub Index 5.13
Calving Interval (days) -3.46 -1.459 5.05
Survival (%) 0.07 1.117 0.08
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 0.03
Carcass Weight (kg) 1.80 -0.528 -0.95
Age of Slaughter (days) -2.27 -0.432 0.98
Maintenance Sub Index Maint. Sub Index 0.12
Live WT (kg) -0.40 -0.307 0.12
Total Carbon Sub Index 26.00

* Based on an €80/tonne carbon price