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 2.97
Milk (kg) -57.00 -0.014 0.80
Fat (kg) -1.86 -0.375 0.70
Prot (kg) -3.35 -0.441 1.48
Fertility Sub Index 8.82
Calving Interval (days) -4.48 -1.459 6.54
Survival (%) 2.04 1.117 2.28
Calving Sub Index 2.69
Gestation Length (days) -2.93 -0.919 2.69
Beef Sub Index 1.13
Carcass Weight (kg) -6.90 -0.528 3.64
Age of Slaughter (days) 5.82 -0.432 -2.51
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 19.89

* Based on an €80/tonne carbon price