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 5.63
Milk (kg) -147.00 -0.014 2.06
Fat (kg) -6.34 -0.375 2.37
Prot (kg) -2.72 -0.441 1.20
Fertility Sub Index 6.17
Calving Interval (days) -2.78 -1.459 4.06
Survival (%) 1.89 1.117 2.11
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.00
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 0.98 -0.432 -0.42
Maintenance Sub Index Maint. Sub Index 4.48
Live WT (kg) -14.60 -0.307 4.48
Total Carbon Sub Index 22.08

* Based on an €80/tonne carbon price