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 -1.21
Milk (kg) 25.00 -0.014 -0.35
Fat (kg) -0.55 -0.375 0.21
Prot (kg) 2.42 -0.441 -1.07
Fertility Sub Index -1.46
Calving Interval (days) 1.82 -1.459 -2.66
Survival (%) 1.07 1.117 1.20
Calving Sub Index -2.21
Gestation Length (days) 2.40 -0.919 -2.21
Beef Sub Index 0.98
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.54 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index 3.49
Live WT (kg) -11.40 -0.307 3.49
Total Carbon Sub Index -0.40

* Based on an €80/tonne carbon price