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 6.38
Milk (kg) -152.00 -0.014 2.13
Fat (kg) -4.67 -0.375 1.75
Prot (kg) -5.67 -0.441 2.50
Fertility Sub Index 7.81
Calving Interval (days) -3.49 -1.459 5.09
Survival (%) 2.43 1.117 2.71
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.88
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 0.16 -0.432 -0.07
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 25.66

* Based on an €80/tonne carbon price