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 5.75
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -5.59 -0.375 2.09
Prot (kg) -3.22 -0.441 1.42
Fertility Sub Index -2.48
Calving Interval (days) 2.33 -1.459 -3.40
Survival (%) 0.82 1.117 0.92
Calving Sub Index -0.82
Gestation Length (days) 0.89 -0.919 -0.82
Beef Sub Index 0.45
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 3.72 -0.432 -1.61
Maintenance Sub Index Maint. Sub Index 4.97
Live WT (kg) -16.20 -0.307 4.97
Total Carbon Sub Index 7.87

* Based on an €80/tonne carbon price