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 0.33
Milk (kg) -128.00 -0.014 1.79
Fat (kg) 4.15 -0.375 -1.55
Prot (kg) -0.20 -0.441 0.09
Fertility Sub Index 6.90
Calving Interval (days) -3.31 -1.459 4.83
Survival (%) 1.85 1.117 2.07
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.58
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -2.44 -0.432 1.05
Maintenance Sub Index Maint. Sub Index 6.47
Live WT (kg) -21.10 -0.307 6.47
Total Carbon Sub Index 19.06

* Based on an €80/tonne carbon price