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 4.34
Milk (kg) -70.00 -0.014 0.98
Fat (kg) -4.80 -0.375 1.80
Prot (kg) -3.55 -0.441 1.57
Fertility Sub Index 2.63
Calving Interval (days) -1.85 -1.459 2.70
Survival (%) -0.06 1.117 -0.07
Calving Sub Index 1.49
Gestation Length (days) -1.62 -0.919 1.49
Beef Sub Index -3.27
Carcass Weight (kg) 2.90 -0.528 -1.53
Age of Slaughter (days) 4.04 -0.432 -1.74
Maintenance Sub Index Maint. Sub Index -2.05
Live WT (kg) 6.70 -0.307 -2.05
Total Carbon Sub Index 3.14

* Based on an €80/tonne carbon price