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 33.03
Milk (kg) -811.00 -0.014 11.35
Fat (kg) -23.11 -0.375 8.66
Prot (kg) -29.49 -0.441 13.02
Fertility Sub Index 1.27
Calving Interval (days) -1.03 -1.459 1.50
Survival (%) -0.21 1.117 -0.23
Calving Sub Index -0.46
Gestation Length (days) 0.50 -0.919 -0.46
Beef Sub Index -0.85
Carcass Weight (kg) 1.20 -0.528 -0.63
Age of Slaughter (days) 0.51 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index -2.85
Live WT (kg) 9.30 -0.307 -2.85
Total Carbon Sub Index 30.13

* Based on an €80/tonne carbon price