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 2.83
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -1.30 -0.375 0.49
Prot (kg) -2.00 -0.441 0.88
Fertility Sub Index 4.95
Calving Interval (days) -2.07 -1.459 3.02
Survival (%) 1.73 1.117 1.93
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.91
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 2.41 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 4.38
Live WT (kg) -14.30 -0.307 4.38
Total Carbon Sub Index 16.88

* Based on an €80/tonne carbon price