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 3.56
Milk (kg) -77.00 -0.014 1.08
Fat (kg) -2.89 -0.375 1.08
Prot (kg) -3.16 -0.441 1.39
Fertility Sub Index 6.38
Calving Interval (days) -3.08 -1.459 4.49
Survival (%) 1.69 1.117 1.89
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.55
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) -2.73 -0.432 1.18
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 21.65

* Based on an €80/tonne carbon price