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 8.15
Milk (kg) -167.00 -0.014 2.34
Fat (kg) -7.70 -0.375 2.88
Prot (kg) -6.64 -0.441 2.93
Fertility Sub Index 1.38
Calving Interval (days) -1.12 -1.459 1.63
Survival (%) -0.23 1.117 -0.26
Calving Sub Index 0.40
Gestation Length (days) -0.43 -0.919 0.40
Beef Sub Index 0.17
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.15 -0.432 -1.36
Maintenance Sub Index Maint. Sub Index 0.80
Live WT (kg) -2.60 -0.307 0.80
Total Carbon Sub Index 10.90

* Based on an €80/tonne carbon price