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 1.97
Milk (kg) -115.00 -0.014 1.61
Fat (kg) 0.78 -0.375 -0.29
Prot (kg) -1.47 -0.441 0.65
Fertility Sub Index 4.96
Calving Interval (days) -3.08 -1.459 4.49
Survival (%) 0.42 1.117 0.47
Calving Sub Index 0.68
Gestation Length (days) -0.74 -0.919 0.68
Beef Sub Index 2.11
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) 1.70 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 14.60

* Based on an €80/tonne carbon price