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 11.19
Milk (kg) -233.00 -0.014 3.26
Fat (kg) -11.51 -0.375 4.31
Prot (kg) -8.20 -0.441 3.62
Fertility Sub Index 6.76
Calving Interval (days) -4.12 -1.459 6.01
Survival (%) 0.67 1.117 0.75
Calving Sub Index -1.52
Gestation Length (days) 1.65 -0.919 -1.52
Beef Sub Index 3.04
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) -1.31 -0.432 0.57
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 23.31

* Based on an €80/tonne carbon price