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 1.37
Milk (kg) -24.00 -0.014 0.34
Fat (kg) -1.00 -0.375 0.37
Prot (kg) -1.50 -0.441 0.66
Fertility Sub Index 5.09
Calving Interval (days) -2.37 -1.459 3.46
Survival (%) 1.46 1.117 1.63
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.31
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -1.80 -0.432 0.78
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 18.86

* Based on an €80/tonne carbon price