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 1.00
Milk (kg) -127.00 -0.014 1.78
Fat (kg) 2.74 -0.375 -1.03
Prot (kg) -0.57 -0.441 0.25
Fertility Sub Index 14.50
Calving Interval (days) -6.57 -1.459 9.59
Survival (%) 4.40 1.117 4.92
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -4.47
Carcass Weight (kg) 7.00 -0.528 -3.69
Age of Slaughter (days) 1.80 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 3.71
Live WT (kg) -12.10 -0.307 3.71
Total Carbon Sub Index 18.55

* Based on an €80/tonne carbon price