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 2.10
Milk (kg) -109.00 -0.014 1.53
Fat (kg) -0.02 -0.375 0.01
Prot (kg) -1.28 -0.441 0.56
Fertility Sub Index 2.55
Calving Interval (days) -1.36 -1.459 1.98
Survival (%) 0.51 1.117 0.57
Calving Sub Index 0.63
Gestation Length (days) -0.68 -0.919 0.63
Beef Sub Index 0.01
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 0.96 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 0.89
Live WT (kg) -2.90 -0.307 0.89
Total Carbon Sub Index 6.17

* Based on an €80/tonne carbon price