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 1.37
Milk (kg) -22.00 -0.014 0.31
Fat (kg) -2.20 -0.375 0.82
Prot (kg) -0.55 -0.441 0.24
Fertility Sub Index 5.91
Calving Interval (days) -2.95 -1.459 4.30
Survival (%) 1.44 1.117 1.61
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.57
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 1.97 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 4.45
Live WT (kg) -14.50 -0.307 4.45
Total Carbon Sub Index 16.12

* Based on an €80/tonne carbon price