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 9.54
Milk (kg) -219.00 -0.014 3.07
Fat (kg) -7.80 -0.375 2.92
Prot (kg) -8.06 -0.441 3.56
Fertility Sub Index 3.17
Calving Interval (days) -1.69 -1.459 2.47
Survival (%) 0.63 1.117 0.70
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.18
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.30 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 13.92

* Based on an €80/tonne carbon price