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 6.90
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -6.67 -0.375 2.50
Prot (kg) -5.75 -0.441 2.54
Fertility Sub Index 1.19
Calving Interval (days) -0.40 -1.459 0.58
Survival (%) 0.54 1.117 0.60
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.14
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 1.52 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 3.00
Live WT (kg) -9.80 -0.307 3.00
Total Carbon Sub Index 11.75

* Based on an €80/tonne carbon price