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 1.23
Milk (kg) -56.00 -0.014 0.78
Fat (kg) 0.49 -0.375 -0.18
Prot (kg) -1.43 -0.441 0.63
Fertility Sub Index 5.11
Calving Interval (days) -2.79 -1.459 4.07
Survival (%) 0.93 1.117 1.04
Calving Sub Index 0.26
Gestation Length (days) -0.28 -0.919 0.26
Beef Sub Index 0.31
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 3.44 -0.432 -1.49
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 8.84

* Based on an €80/tonne carbon price