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 13.13
Milk (kg) -680.00 -0.014 9.52
Fat (kg) 2.58 -0.375 -0.97
Prot (kg) -10.37 -0.441 4.58
Fertility Sub Index 6.38
Calving Interval (days) -3.12 -1.459 4.55
Survival (%) 1.64 1.117 1.83
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.78
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -3.02 -0.432 1.30
Maintenance Sub Index Maint. Sub Index 6.62
Live WT (kg) -21.60 -0.307 6.62
Total Carbon Sub Index 32.72

* Based on an €80/tonne carbon price