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 5.72
Milk (kg) -123.00 -0.014 1.72
Fat (kg) -7.07 -0.375 2.65
Prot (kg) -3.05 -0.441 1.35
Fertility Sub Index 5.08
Calving Interval (days) -2.99 -1.459 4.36
Survival (%) 0.64 1.117 0.72
Calving Sub Index -0.75
Gestation Length (days) 0.82 -0.919 -0.75
Beef Sub Index -5.63
Carcass Weight (kg) 10.50 -0.528 -5.54
Age of Slaughter (days) 0.22 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index -2.39
Live WT (kg) 7.80 -0.307 -2.39
Total Carbon Sub Index 2.02

* Based on an €80/tonne carbon price