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 3.68
Milk (kg) -26.00 -0.014 0.36
Fat (kg) -5.86 -0.375 2.19
Prot (kg) -2.53 -0.441 1.12
Fertility Sub Index 3.19
Calving Interval (days) -1.61 -1.459 2.35
Survival (%) 0.75 1.117 0.84
Calving Sub Index -2.02
Gestation Length (days) 2.20 -0.919 -2.02
Beef Sub Index -7.02
Carcass Weight (kg) 9.90 -0.528 -5.22
Age of Slaughter (days) 4.17 -0.432 -1.80
Maintenance Sub Index Maint. Sub Index -0.71
Live WT (kg) 2.30 -0.307 -0.71
Total Carbon Sub Index -2.89

* Based on an €80/tonne carbon price