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 13.41
Milk (kg) -321.00 -0.014 4.49
Fat (kg) -9.93 -0.375 3.72
Prot (kg) -11.77 -0.441 5.19
Fertility Sub Index 5.66
Calving Interval (days) -3.51 -1.459 5.12
Survival (%) 0.48 1.117 0.54
Calving Sub Index 0.63
Gestation Length (days) -0.69 -0.919 0.63
Beef Sub Index 1.60
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 0.33 -0.432 -0.14
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 24.06

* Based on an €80/tonne carbon price