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 3.98
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -3.52 -0.375 1.32
Prot (kg) -1.43 -0.441 0.63
Fertility Sub Index 8.91
Calving Interval (days) -5.43 -1.459 7.92
Survival (%) 0.88 1.117 0.98
Calving Sub Index 2.20
Gestation Length (days) -2.39 -0.919 2.20
Beef Sub Index 4.65
Carcass Weight (kg) -9.20 -0.528 4.85
Age of Slaughter (days) 0.46 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 5.64
Live WT (kg) -18.40 -0.307 5.64
Total Carbon Sub Index 25.37

* Based on an €80/tonne carbon price