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 3.09
Milk (kg) -43.00 -0.014 0.60
Fat (kg) -3.29 -0.375 1.23
Prot (kg) -2.84 -0.441 1.25
Fertility Sub Index 4.70
Calving Interval (days) -2.47 -1.459 3.60
Survival (%) 0.98 1.117 1.09
Calving Sub Index -0.15
Gestation Length (days) 0.16 -0.919 -0.15
Beef Sub Index 0.34
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.02 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 10.90

* Based on an €80/tonne carbon price