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 1.86
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -0.88 -0.375 0.33
Prot (kg) -1.15 -0.441 0.51
Fertility Sub Index 4.29
Calving Interval (days) -2.12 -1.459 3.09
Survival (%) 1.07 1.117 1.20
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.01
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.46 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 4.38
Live WT (kg) -14.30 -0.307 4.38
Total Carbon Sub Index 15.37

* Based on an €80/tonne carbon price