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 1.62
Milk (kg) -71.00 -0.014 0.99
Fat (kg) 1.68 -0.375 -0.63
Prot (kg) -2.85 -0.441 1.26
Fertility Sub Index 6.53
Calving Interval (days) -3.88 -1.459 5.66
Survival (%) 0.78 1.117 0.87
Calving Sub Index 0.70
Gestation Length (days) -0.76 -0.919 0.70
Beef Sub Index -0.30
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 1.91 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 10.95

* Based on an €80/tonne carbon price