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 4.04
Milk (kg) -170.00 -0.014 2.38
Fat (kg) -2.90 -0.375 1.09
Prot (kg) -1.30 -0.441 0.57
Fertility Sub Index 9.59
Calving Interval (days) -4.86 -1.459 7.09
Survival (%) 2.24 1.117 2.50
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -1.21
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 3.41 -0.432 -1.47
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 20.82

* Based on an €80/tonne carbon price