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 4.55
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -6.87 -0.375 2.57
Prot (kg) -1.34 -0.441 0.59
Fertility Sub Index 9.89
Calving Interval (days) -5.53 -1.459 8.07
Survival (%) 1.63 1.117 1.82
Calving Sub Index 1.40
Gestation Length (days) -1.52 -0.919 1.40
Beef Sub Index 0.02
Carcass Weight (kg) 0.20 -0.528 -0.11
Age of Slaughter (days) -0.28 -0.432 0.12
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 17.84

* Based on an €80/tonne carbon price