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 3.85
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -0.28 -0.375 0.10
Prot (kg) -3.75 -0.441 1.66
Fertility Sub Index 8.51
Calving Interval (days) -5.05 -1.459 7.37
Survival (%) 1.02 1.117 1.14
Calving Sub Index 0.37
Gestation Length (days) -0.40 -0.919 0.37
Beef Sub Index 1.05
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 1.48 -0.432 -0.64
Maintenance Sub Index Maint. Sub Index 4.08
Live WT (kg) -13.30 -0.307 4.08
Total Carbon Sub Index 17.84

* Based on an €80/tonne carbon price