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 10.27
Milk (kg) -192.00 -0.014 2.69
Fat (kg) -13.01 -0.375 4.87
Prot (kg) -6.13 -0.441 2.71
Fertility Sub Index 3.69
Calving Interval (days) -1.12 -1.459 1.63
Survival (%) 1.84 1.117 2.06
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.29
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 2.03 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 5.67
Live WT (kg) -18.50 -0.307 5.67
Total Carbon Sub Index 25.88

* Based on an €80/tonne carbon price