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 4.91
Milk (kg) -164.00 -0.014 2.30
Fat (kg) -2.62 -0.375 0.98
Prot (kg) -3.71 -0.441 1.64
Fertility Sub Index 6.17
Calving Interval (days) -3.88 -1.459 5.66
Survival (%) 0.46 1.117 0.51
Calving Sub Index 1.30
Gestation Length (days) -1.41 -0.919 1.30
Beef Sub Index 1.50
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -0.05 -0.432 0.02
Maintenance Sub Index Maint. Sub Index 3.49
Live WT (kg) -11.40 -0.307 3.49
Total Carbon Sub Index 17.38

* Based on an €80/tonne carbon price