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 4.02
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -2.85 -0.375 1.07
Prot (kg) -2.22 -0.441 0.98
Fertility Sub Index 6.92
Calving Interval (days) -4.03 -1.459 5.88
Survival (%) 0.93 1.117 1.04
Calving Sub Index 0.82
Gestation Length (days) -0.89 -0.919 0.82
Beef Sub Index 0.17
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.07 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index 2.67
Live WT (kg) -8.70 -0.307 2.67
Total Carbon Sub Index 14.60

* Based on an €80/tonne carbon price