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 15.33
Milk (kg) -340.00 -0.014 4.76
Fat (kg) -12.75 -0.375 4.78
Prot (kg) -13.12 -0.441 5.79
Fertility Sub Index 5.85
Calving Interval (days) -4.89 -1.459 7.13
Survival (%) -1.15 1.117 -1.28
Calving Sub Index -3.18
Gestation Length (days) 3.46 -0.919 -3.18
Beef Sub Index 2.15
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) -3.52 -0.432 1.52
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 22.48

* Based on an €80/tonne carbon price