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 6.03
Milk (kg) -57.00 -0.014 0.80
Fat (kg) -5.08 -0.375 1.90
Prot (kg) -7.54 -0.441 3.33
Fertility Sub Index 3.47
Calving Interval (days) -1.87 -1.459 2.73
Survival (%) 0.66 1.117 0.74
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.34
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 4.83 -0.432 -2.09
Maintenance Sub Index Maint. Sub Index 0.67
Live WT (kg) -2.20 -0.307 0.67
Total Carbon Sub Index 9.36

* Based on an €80/tonne carbon price