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 3.58
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -2.70 -0.375 1.01
Prot (kg) -3.41 -0.441 1.51
Fertility Sub Index 0.65
Calving Interval (days) -0.49 -1.459 0.71
Survival (%) -0.06 1.117 -0.07
Calving Sub Index -0.89
Gestation Length (days) 0.97 -0.919 -0.89
Beef Sub Index 0.80
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.95 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 6.54

* Based on an €80/tonne carbon price