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 3.98
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -0.88 -0.375 0.33
Prot (kg) -3.58 -0.441 1.58
Fertility Sub Index 7.66
Calving Interval (days) -3.49 -1.459 5.09
Survival (%) 2.30 1.117 2.57
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.44
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 3.88 -0.432 -1.67
Maintenance Sub Index Maint. Sub Index 5.89
Live WT (kg) -19.20 -0.307 5.89
Total Carbon Sub Index 21.76

* Based on an €80/tonne carbon price