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 6.05
Milk (kg) -231.00 -0.014 3.23
Fat (kg) -0.78 -0.375 0.29
Prot (kg) -5.72 -0.441 2.52
Fertility Sub Index 5.58
Calving Interval (days) -2.39 -1.459 3.49
Survival (%) 1.87 1.117 2.09
Calving Sub Index 0.51
Gestation Length (days) -0.55 -0.919 0.51
Beef Sub Index 1.07
Carcass Weight (kg) -9.10 -0.528 4.80
Age of Slaughter (days) 8.63 -0.432 -3.73
Maintenance Sub Index Maint. Sub Index 10.85
Live WT (kg) -35.40 -0.307 10.85
Total Carbon Sub Index 24.06

* Based on an €80/tonne carbon price