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 8.62
Milk (kg) -347.00 -0.014 4.86
Fat (kg) 1.68 -0.375 -0.63
Prot (kg) -9.96 -0.441 4.40
Fertility Sub Index 5.66
Calving Interval (days) -3.40 -1.459 4.96
Survival (%) 0.63 1.117 0.70
Calving Sub Index 0.11
Gestation Length (days) -0.12 -0.919 0.11
Beef Sub Index 2.78
Carcass Weight (kg) -7.30 -0.528 3.85
Age of Slaughter (days) 2.49 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 5.40
Live WT (kg) -17.60 -0.307 5.40
Total Carbon Sub Index 22.57

* Based on an €80/tonne carbon price