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 13.35
Milk (kg) -318.00 -0.014 4.45
Fat (kg) -11.37 -0.375 4.26
Prot (kg) -10.50 -0.441 4.63
Fertility Sub Index 4.47
Calving Interval (days) -4.49 -1.459 6.55
Survival (%) -1.86 1.117 -2.08
Calving Sub Index -3.48
Gestation Length (days) 3.79 -0.919 -3.48
Beef Sub Index 2.26
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) -4.37 -0.432 1.89
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 19.45

* Based on an €80/tonne carbon price