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 1.63
Milk (kg) -43.00 -0.014 0.60
Fat (kg) -1.73 -0.375 0.65
Prot (kg) -0.86 -0.441 0.38
Fertility Sub Index -0.56
Calving Interval (days) 1.26 -1.459 -1.84
Survival (%) 1.14 1.117 1.27
Calving Sub Index -0.61
Gestation Length (days) 0.66 -0.919 -0.61
Beef Sub Index -1.37
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 7.09 -0.432 -3.06
Maintenance Sub Index Maint. Sub Index 6.01
Live WT (kg) -19.60 -0.307 6.01
Total Carbon Sub Index 5.09

* Based on an €80/tonne carbon price