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 5.80
Milk (kg) -150.00 -0.014 2.10
Fat (kg) -1.01 -0.375 0.38
Prot (kg) -7.53 -0.441 3.32
Fertility Sub Index 5.62
Calving Interval (days) -3.14 -1.459 4.58
Survival (%) 0.93 1.117 1.04
Calving Sub Index 0.23
Gestation Length (days) -0.25 -0.919 0.23
Beef Sub Index -2.46
Carcass Weight (kg) 1.40 -0.528 -0.74
Age of Slaughter (days) 3.98 -0.432 -1.72
Maintenance Sub Index Maint. Sub Index 1.69
Live WT (kg) -5.50 -0.307 1.69
Total Carbon Sub Index 10.88

* Based on an €80/tonne carbon price