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 6.15
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -3.58 -0.375 1.34
Prot (kg) -5.91 -0.441 2.61
Fertility Sub Index 4.41
Calving Interval (days) -2.88 -1.459 4.20
Survival (%) 0.19 1.117 0.21
Calving Sub Index 0.29
Gestation Length (days) -0.32 -0.919 0.29
Beef Sub Index 0.75
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 1.57 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 14.49

* Based on an €80/tonne carbon price