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 9.76
Milk (kg) -267.00 -0.014 3.74
Fat (kg) -11.39 -0.375 4.27
Prot (kg) -3.97 -0.441 1.75
Fertility Sub Index 6.05
Calving Interval (days) -4.01 -1.459 5.85
Survival (%) 0.18 1.117 0.20
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 2.53
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) -3.65 -0.432 1.58
Maintenance Sub Index Maint. Sub Index 3.89
Live WT (kg) -12.70 -0.307 3.89
Total Carbon Sub Index 23.33

* Based on an €80/tonne carbon price