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 1.56
Milk (kg) -172.00 -0.014 2.41
Fat (kg) 3.62 -0.375 -1.36
Prot (kg) -1.14 -0.441 0.50
Fertility Sub Index 7.08
Calving Interval (days) -3.48 -1.459 5.08
Survival (%) 1.79 1.117 2.00
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.51
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -1.91 -0.432 0.82
Maintenance Sub Index Maint. Sub Index 5.92
Live WT (kg) -19.30 -0.307 5.92
Total Carbon Sub Index 19.85

* Based on an €80/tonne carbon price