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 -4.31
Milk (kg) 35.00 -0.014 -0.49
Fat (kg) 3.60 -0.375 -1.35
Prot (kg) 5.60 -0.441 -2.47
Fertility Sub Index 3.81
Calving Interval (days) -2.06 -1.459 3.01
Survival (%) 0.72 1.117 0.80
Calving Sub Index 3.65
Gestation Length (days) -3.97 -0.919 3.65
Beef Sub Index 3.31
Carcass Weight (kg) -8.90 -0.528 4.69
Age of Slaughter (days) 3.20 -0.432 -1.38
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 8.00

* Based on an €80/tonne carbon price