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 1.73
Milk (kg) -246.00 -0.014 3.44
Fat (kg) 5.62 -0.375 -2.11
Prot (kg) -0.89 -0.441 0.39
Fertility Sub Index 8.30
Calving Interval (days) -3.95 -1.459 5.76
Survival (%) 2.27 1.117 2.54
Calving Sub Index 1.76
Gestation Length (days) -1.91 -0.919 1.76
Beef Sub Index 7.51
Carcass Weight (kg) -17.90 -0.528 9.44
Age of Slaughter (days) 4.48 -0.432 -1.93
Maintenance Sub Index Maint. Sub Index 13.40
Live WT (kg) -43.70 -0.307 13.40
Total Carbon Sub Index 32.70

* Based on an €80/tonne carbon price