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 6.05
Milk (kg) -231.00 -0.014 3.23
Fat (kg) -0.78 -0.375 0.29
Prot (kg) -5.72 -0.441 2.52
Fertility Sub Index 5.59
Calving Interval (days) -2.40 -1.459 3.50
Survival (%) 1.87 1.117 2.09
Calving Sub Index 0.50
Gestation Length (days) -0.54 -0.919 0.50
Beef Sub Index 1.08
Carcass Weight (kg) -9.10 -0.528 4.80
Age of Slaughter (days) 8.61 -0.432 -3.72
Maintenance Sub Index Maint. Sub Index 10.88
Live WT (kg) -35.50 -0.307 10.88
Total Carbon Sub Index 24.11

* Based on an €80/tonne carbon price