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 4.36
Milk (kg) -123.00 -0.014 1.72
Fat (kg) -2.45 -0.375 0.92
Prot (kg) -3.89 -0.441 1.72
Fertility Sub Index 3.66
Calving Interval (days) -1.87 -1.459 2.73
Survival (%) 0.83 1.117 0.93
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.63
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 0.87 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 4.48
Live WT (kg) -14.60 -0.307 4.48
Total Carbon Sub Index 16.94

* Based on an €80/tonne carbon price