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 7.59
Milk (kg) -161.00 -0.014 2.25
Fat (kg) -6.01 -0.375 2.25
Prot (kg) -6.99 -0.441 3.09
Fertility Sub Index 6.60
Calving Interval (days) -3.97 -1.459 5.79
Survival (%) 0.72 1.117 0.80
Calving Sub Index 1.29
Gestation Length (days) -1.40 -0.919 1.29
Beef Sub Index 2.27
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 0.74 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 4.14
Live WT (kg) -13.50 -0.307 4.14
Total Carbon Sub Index 21.88

* Based on an €80/tonne carbon price