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 6.60
Milk (kg) -110.00 -0.014 1.54
Fat (kg) -7.54 -0.375 2.82
Prot (kg) -5.07 -0.441 2.24
Fertility Sub Index 8.45
Calving Interval (days) -5.27 -1.459 7.69
Survival (%) 0.68 1.117 0.76
Calving Sub Index -2.22
Gestation Length (days) 2.42 -0.919 -2.22
Beef Sub Index 3.10
Carcass Weight (kg) -6.60 -0.528 3.48
Age of Slaughter (days) 0.88 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 19.55

* Based on an €80/tonne carbon price