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 3.61
Milk (kg) -56.00 -0.014 0.78
Fat (kg) -4.63 -0.375 1.73
Prot (kg) -2.48 -0.441 1.09
Fertility Sub Index 5.81
Calving Interval (days) -2.90 -1.459 4.23
Survival (%) 1.41 1.117 1.58
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.80
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) -0.49 -0.432 0.21
Maintenance Sub Index Maint. Sub Index 4.97
Live WT (kg) -16.20 -0.307 4.97
Total Carbon Sub Index 20.98

* Based on an €80/tonne carbon price