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 13.33
Milk (kg) -208.00 -0.014 2.91
Fat (kg) -12.98 -0.375 4.86
Prot (kg) -12.59 -0.441 5.56
Fertility Sub Index 1.36
Calving Interval (days) -0.49 -1.459 0.71
Survival (%) 0.58 1.117 0.65
Calving Sub Index 0.84
Gestation Length (days) -0.91 -0.919 0.84
Beef Sub Index 0.15
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 0.64 -0.432 -0.28
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index 17.06

* Based on an €80/tonne carbon price