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 4.74
Milk (kg) -102.00 -0.014 1.43
Fat (kg) -4.35 -0.375 1.63
Prot (kg) -3.81 -0.441 1.68
Fertility Sub Index 7.52
Calving Interval (days) -3.72 -1.459 5.43
Survival (%) 1.87 1.117 2.09
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.04
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 0.05 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 6.19
Live WT (kg) -20.20 -0.307 6.19
Total Carbon Sub Index 24.29

* Based on an €80/tonne carbon price