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 8.01
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -9.90 -0.375 3.71
Prot (kg) -6.19 -0.441 2.73
Fertility Sub Index 3.41
Calving Interval (days) -1.55 -1.459 2.26
Survival (%) 1.03 1.117 1.15
Calving Sub Index -1.76
Gestation Length (days) 1.92 -0.919 -1.76
Beef Sub Index -1.64
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 4.40 -0.432 -1.90
Maintenance Sub Index Maint. Sub Index 3.59
Live WT (kg) -11.70 -0.307 3.59
Total Carbon Sub Index 11.61

* Based on an €80/tonne carbon price