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 6.78
Milk (kg) -153.00 -0.014 2.14
Fat (kg) -6.49 -0.375 2.43
Prot (kg) -4.99 -0.441 2.20
Fertility Sub Index 6.05
Calving Interval (days) -3.09 -1.459 4.51
Survival (%) 1.38 1.117 1.54
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.15
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.87 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 3.99
Live WT (kg) -13.00 -0.307 3.99
Total Carbon Sub Index 21.77

* Based on an €80/tonne carbon price