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 9.32
Milk (kg) -339.00 -0.014 4.75
Fat (kg) -4.70 -0.375 1.76
Prot (kg) -6.38 -0.441 2.82
Fertility Sub Index 7.06
Calving Interval (days) -4.09 -1.459 5.97
Survival (%) 0.98 1.117 1.09
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.41
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) -0.69 -0.432 0.30
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 26.55

* Based on an €80/tonne carbon price