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 13.31
Milk (kg) -223.00 -0.014 3.12
Fat (kg) -12.84 -0.375 4.81
Prot (kg) -12.19 -0.441 5.38
Fertility Sub Index 4.25
Calving Interval (days) -2.30 -1.459 3.36
Survival (%) 0.80 1.117 0.89
Calving Sub Index 0.63
Gestation Length (days) -0.68 -0.919 0.63
Beef Sub Index 5.08
Carcass Weight (kg) -8.50 -0.528 4.48
Age of Slaughter (days) -1.38 -0.432 0.60
Maintenance Sub Index Maint. Sub Index 7.85
Live WT (kg) -25.60 -0.307 7.85
Total Carbon Sub Index 31.11

* Based on an €80/tonne carbon price