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 -3.11
Milk (kg) -3.00 -0.014 0.04
Fat (kg) 5.20 -0.375 -1.95
Prot (kg) 2.73 -0.441 -1.20
Fertility Sub Index 1.81
Calving Interval (days) -0.98 -1.459 1.43
Survival (%) 0.34 1.117 0.38
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.11
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 2.43 -0.432 -1.05
Maintenance Sub Index Maint. Sub Index 4.54
Live WT (kg) -14.80 -0.307 4.54
Total Carbon Sub Index 8.15

* Based on an €80/tonne carbon price