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 3.17
Milk (kg) -111.00 -0.014 1.55
Fat (kg) 1.30 -0.375 -0.49
Prot (kg) -4.77 -0.441 2.11
Fertility Sub Index 4.69
Calving Interval (days) -2.67 -1.459 3.90
Survival (%) 0.71 1.117 0.79
Calving Sub Index 0.24
Gestation Length (days) -0.26 -0.919 0.24
Beef Sub Index 0.80
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 1.68 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 11.45

* Based on an €80/tonne carbon price