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 2.67
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -0.43 -0.375 0.16
Prot (kg) -2.13 -0.441 0.94
Fertility Sub Index 4.82
Calving Interval (days) -3.54 -1.459 5.17
Survival (%) -0.31 1.117 -0.35
Calving Sub Index 2.05
Gestation Length (days) -2.23 -0.919 2.05
Beef Sub Index 5.00
Carcass Weight (kg) -9.70 -0.528 5.12
Age of Slaughter (days) 0.27 -0.432 -0.12
Maintenance Sub Index Maint. Sub Index 6.07
Live WT (kg) -19.80 -0.307 6.07
Total Carbon Sub Index 20.60

* Based on an €80/tonne carbon price