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 6.65
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -5.48 -0.375 2.05
Prot (kg) -5.85 -0.441 2.58
Fertility Sub Index 5.72
Calving Interval (days) -2.81 -1.459 4.10
Survival (%) 1.45 1.117 1.62
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 1.61
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) -0.80 -0.432 0.35
Maintenance Sub Index Maint. Sub Index 5.46
Live WT (kg) -17.80 -0.307 5.46
Total Carbon Sub Index 22.22

* Based on an €80/tonne carbon price