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 1.64
Milk (kg) -35.00 -0.014 0.49
Fat (kg) -1.35 -0.375 0.51
Prot (kg) -1.46 -0.441 0.64
Fertility Sub Index 2.70
Calving Interval (days) -1.42 -1.459 2.07
Survival (%) 0.56 1.117 0.63
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.31
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.26 -0.432 -0.11
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 16.02

* Based on an €80/tonne carbon price