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 -4.21
Milk (kg) 15.00 -0.014 -0.21
Fat (kg) 8.08 -0.375 -3.03
Prot (kg) 2.21 -0.441 -0.98
Fertility Sub Index 8.07
Calving Interval (days) -3.29 -1.459 4.80
Survival (%) 2.93 1.117 3.27
Calving Sub Index 3.36
Gestation Length (days) -3.66 -0.919 3.36
Beef Sub Index -1.00
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 4.16 -0.432 -1.80
Maintenance Sub Index Maint. Sub Index -0.92
Live WT (kg) 3.00 -0.307 -0.92
Total Carbon Sub Index 5.30

* Based on an €80/tonne carbon price