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 4.14
Milk (kg) -169.00 -0.014 2.37
Fat (kg) -1.72 -0.375 0.64
Prot (kg) -2.56 -0.441 1.13
Fertility Sub Index 15.77
Calving Interval (days) -7.44 -1.459 10.86
Survival (%) 4.40 1.117 4.92
Calving Sub Index 2.45
Gestation Length (days) -2.66 -0.919 2.45
Beef Sub Index -1.45
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) 2.88 -0.432 -1.24
Maintenance Sub Index Maint. Sub Index -1.23
Live WT (kg) 4.00 -0.307 -1.23
Total Carbon Sub Index 19.67

* Based on an €80/tonne carbon price