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 3.75
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -3.46 -0.375 1.30
Prot (kg) -3.17 -0.441 1.40
Fertility Sub Index 3.44
Calving Interval (days) -1.80 -1.459 2.63
Survival (%) 0.73 1.117 0.82
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.29
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.30 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index 6.44
Live WT (kg) -21.00 -0.307 6.44
Total Carbon Sub Index 18.75

* Based on an €80/tonne carbon price