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 11.35
Milk (kg) -213.00 -0.014 2.98
Fat (kg) -13.88 -0.375 5.20
Prot (kg) -7.17 -0.441 3.16
Fertility Sub Index 6.39
Calving Interval (days) -3.95 -1.459 5.76
Survival (%) 0.56 1.117 0.63
Calving Sub Index 0.59
Gestation Length (days) -0.64 -0.919 0.59
Beef Sub Index 1.30
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 1.02 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 23.43

* Based on an €80/tonne carbon price