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 5.99
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -3.45 -0.375 1.29
Prot (kg) -6.17 -0.441 2.72
Fertility Sub Index 7.00
Calving Interval (days) -3.98 -1.459 5.81
Survival (%) 1.07 1.117 1.20
Calving Sub Index 0.38
Gestation Length (days) -0.41 -0.919 0.38
Beef Sub Index 0.02
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.78 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 16.08

* Based on an €80/tonne carbon price