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 9.65
Milk (kg) -279.00 -0.014 3.91
Fat (kg) -4.12 -0.375 1.54
Prot (kg) -9.51 -0.441 4.20
Fertility Sub Index 6.67
Calving Interval (days) -3.89 -1.459 5.68
Survival (%) 0.89 1.117 0.99
Calving Sub Index 0.36
Gestation Length (days) -0.39 -0.919 0.36
Beef Sub Index 0.24
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.86 -0.432 -1.23
Maintenance Sub Index Maint. Sub Index 4.54
Live WT (kg) -14.80 -0.307 4.54
Total Carbon Sub Index 21.45

* Based on an €80/tonne carbon price