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 14.03
Milk (kg) -381.00 -0.014 5.33
Fat (kg) -11.34 -0.375 4.25
Prot (kg) -10.07 -0.441 4.44
Fertility Sub Index 6.45
Calving Interval (days) -3.92 -1.459 5.72
Survival (%) 0.65 1.117 0.73
Calving Sub Index 0.74
Gestation Length (days) -0.80 -0.919 0.74
Beef Sub Index 1.76
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 0.68 -0.432 -0.29
Maintenance Sub Index Maint. Sub Index 3.74
Live WT (kg) -12.20 -0.307 3.74
Total Carbon Sub Index 26.72

* Based on an €80/tonne carbon price