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 2.40
Milk (kg) -34.00 -0.014 0.48
Fat (kg) -1.58 -0.375 0.59
Prot (kg) -3.02 -0.441 1.33
Fertility Sub Index 7.73
Calving Interval (days) -4.64 -1.459 6.77
Survival (%) 0.86 1.117 0.96
Calving Sub Index 0.63
Gestation Length (days) -0.68 -0.919 0.63
Beef Sub Index 1.91
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 0.10 -0.432 -0.04
Maintenance Sub Index Maint. Sub Index 3.03
Live WT (kg) -9.90 -0.307 3.03
Total Carbon Sub Index 15.70

* Based on an €80/tonne carbon price