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 5.48
Milk (kg) -40.00 -0.014 0.56
Fat (kg) -6.94 -0.375 2.60
Prot (kg) -5.26 -0.441 2.32
Fertility Sub Index 8.99
Calving Interval (days) -6.20 -1.459 9.05
Survival (%) -0.05 1.117 -0.06
Calving Sub Index -0.63
Gestation Length (days) 0.68 -0.919 -0.63
Beef Sub Index 3.04
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) -1.29 -0.432 0.56
Maintenance Sub Index Maint. Sub Index 3.19
Live WT (kg) -10.40 -0.307 3.19
Total Carbon Sub Index 20.06

* Based on an €80/tonne carbon price