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 2.33
Milk (kg) -87.00 -0.014 1.22
Fat (kg) -1.56 -0.375 0.58
Prot (kg) -1.20 -0.441 0.53
Fertility Sub Index 5.95
Calving Interval (days) -2.80 -1.459 4.09
Survival (%) 1.67 1.117 1.87
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.62
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) -1.68 -0.432 0.73
Maintenance Sub Index Maint. Sub Index 6.41
Live WT (kg) -20.90 -0.307 6.41
Total Carbon Sub Index 21.12

* Based on an €80/tonne carbon price