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 1.75
Milk (kg) -36.00 -0.014 0.50
Fat (kg) -1.56 -0.375 0.58
Prot (kg) -1.50 -0.441 0.66
Fertility Sub Index 5.84
Calving Interval (days) -2.73 -1.459 3.98
Survival (%) 1.66 1.117 1.85
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.78
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -0.70 -0.432 0.30
Maintenance Sub Index Maint. Sub Index 5.03
Live WT (kg) -16.40 -0.307 5.03
Total Carbon Sub Index 18.20

* Based on an €80/tonne carbon price