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 0.55
Milk (kg) -130.00 -0.014 1.82
Fat (kg) 6.64 -0.375 -2.49
Prot (kg) -2.76 -0.441 1.22
Fertility Sub Index 4.82
Calving Interval (days) -2.11 -1.459 3.08
Survival (%) 1.56 1.117 1.74
Calving Sub Index -1.49
Gestation Length (days) 1.62 -0.919 -1.49
Beef Sub Index -0.70
Carcass Weight (kg) 4.00 -0.528 -2.11
Age of Slaughter (days) -3.26 -0.432 1.41
Maintenance Sub Index Maint. Sub Index -1.29
Live WT (kg) 4.20 -0.307 -1.29
Total Carbon Sub Index 1.90

* Based on an €80/tonne carbon price