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 4.51
Milk (kg) -164.00 -0.014 2.30
Fat (kg) -5.52 -0.375 2.07
Prot (kg) -0.34 -0.441 0.15
Fertility Sub Index 9.91
Calving Interval (days) -6.30 -1.459 9.19
Survival (%) 0.64 1.117 0.72
Calving Sub Index 2.68
Gestation Length (days) -2.92 -0.919 2.68
Beef Sub Index -4.06
Carcass Weight (kg) 6.60 -0.528 -3.48
Age of Slaughter (days) 1.33 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index -4.08
Live WT (kg) 13.30 -0.307 -4.08
Total Carbon Sub Index 8.98

* Based on an €80/tonne carbon price