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 6.24
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -7.52 -0.375 2.82
Prot (kg) -3.54 -0.441 1.56
Fertility Sub Index 2.91
Calving Interval (days) -1.53 -1.459 2.23
Survival (%) 0.61 1.117 0.68
Calving Sub Index 0.58
Gestation Length (days) -0.63 -0.919 0.58
Beef Sub Index 0.51
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 0.77 -0.432 -0.33
Maintenance Sub Index Maint. Sub Index 4.69
Live WT (kg) -15.30 -0.307 4.69
Total Carbon Sub Index 14.93

* Based on an €80/tonne carbon price