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 2.45
Milk (kg) -38.00 -0.014 0.53
Fat (kg) -1.67 -0.375 0.63
Prot (kg) -2.92 -0.441 1.29
Fertility Sub Index 7.15
Calving Interval (days) -4.01 -1.459 5.85
Survival (%) 1.16 1.117 1.30
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index 1.50
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 1.30 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 15.72

* Based on an €80/tonne carbon price