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 1.72
Milk (kg) -26.00 -0.014 0.36
Fat (kg) -2.84 -0.375 1.06
Prot (kg) -0.67 -0.441 0.30
Fertility Sub Index 5.76
Calving Interval (days) -2.32 -1.459 3.38
Survival (%) 2.13 1.117 2.38
Calving Sub Index 0.19
Gestation Length (days) -0.21 -0.919 0.19
Beef Sub Index -1.46
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 4.35 -0.432 -1.88
Maintenance Sub Index Maint. Sub Index 0.64
Live WT (kg) -2.10 -0.307 0.64
Total Carbon Sub Index 6.86

* Based on an €80/tonne carbon price