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 4.17
Milk (kg) -54.00 -0.014 0.76
Fat (kg) -3.82 -0.375 1.43
Prot (kg) -4.49 -0.441 1.98
Fertility Sub Index 6.32
Calving Interval (days) -3.76 -1.459 5.49
Survival (%) 0.75 1.117 0.84
Calving Sub Index 0.63
Gestation Length (days) -0.69 -0.919 0.63
Beef Sub Index 0.59
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 1.44 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 15.34

* Based on an €80/tonne carbon price