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 2.43
Milk (kg) 35.00 -0.014 -0.49
Fat (kg) -4.52 -0.375 1.69
Prot (kg) -2.79 -0.441 1.23
Fertility Sub Index 5.17
Calving Interval (days) -4.58 -1.459 6.68
Survival (%) -1.35 1.117 -1.51
Calving Sub Index -0.06
Gestation Length (days) 0.06 -0.919 -0.06
Beef Sub Index 1.35
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) -0.56 -0.432 0.24
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 10.80

* Based on an €80/tonne carbon price