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 3.15
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -2.14 -0.375 0.80
Prot (kg) -2.17 -0.441 0.96
Fertility Sub Index 6.54
Calving Interval (days) -3.17 -1.459 4.63
Survival (%) 1.71 1.117 1.91
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.88
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -2.63 -0.432 1.14
Maintenance Sub Index Maint. Sub Index 7.14
Live WT (kg) -23.30 -0.307 7.14
Total Carbon Sub Index 22.48

* Based on an €80/tonne carbon price