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 4.82
Milk (kg) -33.00 -0.014 0.46
Fat (kg) -7.30 -0.375 2.73
Prot (kg) -3.69 -0.441 1.63
Fertility Sub Index 5.34
Calving Interval (days) -3.14 -1.459 4.58
Survival (%) 0.68 1.117 0.76
Calving Sub Index 1.00
Gestation Length (days) -1.09 -0.919 1.00
Beef Sub Index 1.20
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 1.62 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 13.83

* Based on an €80/tonne carbon price