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 3.00
Milk (kg) -69.00 -0.014 0.97
Fat (kg) -2.29 -0.375 0.86
Prot (kg) -2.67 -0.441 1.18
Fertility Sub Index 7.18
Calving Interval (days) -3.37 -1.459 4.92
Survival (%) 2.03 1.117 2.27
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.06
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -1.23 -0.432 0.53
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 22.16

* Based on an €80/tonne carbon price