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 13.78
Milk (kg) -307.00 -0.014 4.30
Fat (kg) -14.12 -0.375 5.29
Prot (kg) -9.50 -0.441 4.19
Fertility Sub Index 2.55
Calving Interval (days) -2.01 -1.459 2.93
Survival (%) -0.34 1.117 -0.38
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 0.49
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) -1.75 -0.432 0.76
Maintenance Sub Index Maint. Sub Index 0.95
Live WT (kg) -3.10 -0.307 0.95
Total Carbon Sub Index 18.87

* Based on an €80/tonne carbon price