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 7.55
Milk (kg) -166.00 -0.014 2.32
Fat (kg) -4.15 -0.375 1.55
Prot (kg) -8.33 -0.441 3.68
Fertility Sub Index 15.33
Calving Interval (days) -7.40 -1.459 10.80
Survival (%) 4.06 1.117 4.54
Calving Sub Index -3.57
Gestation Length (days) 3.88 -0.919 -3.57
Beef Sub Index -0.05
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) -0.86 -0.432 0.37
Maintenance Sub Index Maint. Sub Index 0.67
Live WT (kg) -2.20 -0.307 0.67
Total Carbon Sub Index 19.95

* Based on an €80/tonne carbon price