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 3.91
Milk (kg) -115.00 -0.014 1.61
Fat (kg) -4.27 -0.375 1.60
Prot (kg) -1.59 -0.441 0.70
Fertility Sub Index 7.03
Calving Interval (days) -4.17 -1.459 6.08
Survival (%) 0.85 1.117 0.95
Calving Sub Index 2.49
Gestation Length (days) -2.71 -0.919 2.49
Beef Sub Index 4.74
Carcass Weight (kg) -9.90 -0.528 5.22
Age of Slaughter (days) 1.12 -0.432 -0.48
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 24.71

* Based on an €80/tonne carbon price