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 1.75
Milk (kg) -106.00 -0.014 1.48
Fat (kg) 2.77 -0.375 -1.04
Prot (kg) -2.96 -0.441 1.31
Fertility Sub Index -2.19
Calving Interval (days) 2.29 -1.459 -3.34
Survival (%) 1.03 1.117 1.15
Calving Sub Index 2.13
Gestation Length (days) -2.32 -0.919 2.13
Beef Sub Index 1.86
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) -0.15 -0.432 0.06
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 7.84

* Based on an €80/tonne carbon price