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 3.80
Milk (kg) -209.00 -0.014 2.93
Fat (kg) 4.98 -0.375 -1.87
Prot (kg) -6.20 -0.441 2.74
Fertility Sub Index 12.60
Calving Interval (days) -7.75 -1.459 11.31
Survival (%) 1.16 1.117 1.30
Calving Sub Index 2.11
Gestation Length (days) -2.30 -0.919 2.11
Beef Sub Index 0.86
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) -2.35 -0.432 1.01
Maintenance Sub Index Maint. Sub Index -0.49
Live WT (kg) 1.60 -0.307 -0.49
Total Carbon Sub Index 18.88

* Based on an €80/tonne carbon price