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 7.64
Milk (kg) -187.00 -0.014 2.62
Fat (kg) -6.57 -0.375 2.46
Prot (kg) -5.80 -0.441 2.56
Fertility Sub Index 7.45
Calving Interval (days) -4.56 -1.459 6.65
Survival (%) 0.71 1.117 0.79
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 2.66
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) -1.76 -0.432 0.76
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 21.23

* Based on an €80/tonne carbon price