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 1.88
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -0.40 -0.375 0.15
Prot (kg) -1.64 -0.441 0.72
Fertility Sub Index 8.24
Calving Interval (days) -4.02 -1.459 5.87
Survival (%) 2.13 1.117 2.38
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.72
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 0.30 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index 5.98
Live WT (kg) -19.50 -0.307 5.98
Total Carbon Sub Index 21.62

* Based on an €80/tonne carbon price