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 1.50
Milk (kg) -164.00 -0.014 2.30
Fat (kg) 2.69 -0.375 -1.01
Prot (kg) -0.48 -0.441 0.21
Fertility Sub Index 9.06
Calving Interval (days) -4.43 -1.459 6.46
Survival (%) 2.32 1.117 2.59
Calving Sub Index 0.18
Gestation Length (days) -0.20 -0.919 0.18
Beef Sub Index -3.69
Carcass Weight (kg) 5.00 -0.528 -2.64
Age of Slaughter (days) 2.43 -0.432 -1.05
Maintenance Sub Index Maint. Sub Index -1.38
Live WT (kg) 4.50 -0.307 -1.38
Total Carbon Sub Index 5.67

* Based on an €80/tonne carbon price