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 3.55
Milk (kg) -56.00 -0.014 0.78
Fat (kg) -4.87 -0.375 1.82
Prot (kg) -2.14 -0.441 0.94
Fertility Sub Index 6.64
Calving Interval (days) -3.17 -1.459 4.63
Survival (%) 1.80 1.117 2.01
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.41
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.34 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 3.49
Live WT (kg) -11.40 -0.307 3.49
Total Carbon Sub Index 17.92

* Based on an €80/tonne carbon price