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 6.79
Milk (kg) -193.00 -0.014 2.70
Fat (kg) -4.11 -0.375 1.54
Prot (kg) -5.78 -0.441 2.55
Fertility Sub Index 4.46
Calving Interval (days) -1.78 -1.459 2.60
Survival (%) 1.67 1.117 1.87
Calving Sub Index 0.80
Gestation Length (days) -0.87 -0.919 0.80
Beef Sub Index -1.20
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 8.27 -0.432 -3.57
Maintenance Sub Index Maint. Sub Index 7.63
Live WT (kg) -24.90 -0.307 7.63
Total Carbon Sub Index 18.49

* Based on an €80/tonne carbon price