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 4.63
Milk (kg) -186.00 -0.014 2.60
Fat (kg) -1.59 -0.375 0.60
Prot (kg) -3.24 -0.441 1.43
Fertility Sub Index 6.46
Calving Interval (days) -4.19 -1.459 6.11
Survival (%) 0.31 1.117 0.35
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.22
Carcass Weight (kg) -5.30 -0.528 2.80
Age of Slaughter (days) 1.33 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 5.64
Live WT (kg) -18.40 -0.307 5.64
Total Carbon Sub Index 21.74

* Based on an €80/tonne carbon price