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 26.25
Milk (kg) -544.00 -0.014 7.62
Fat (kg) -32.80 -0.375 12.29
Prot (kg) -14.39 -0.441 6.35
Fertility Sub Index 4.63
Calving Interval (days) -2.85 -1.459 4.16
Survival (%) 0.42 1.117 0.47
Calving Sub Index 1.56
Gestation Length (days) -1.70 -0.919 1.56
Beef Sub Index 1.68
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) -4.63 -0.432 2.00
Maintenance Sub Index Maint. Sub Index 3.77
Live WT (kg) -12.30 -0.307 3.77
Total Carbon Sub Index 37.90

* Based on an €80/tonne carbon price