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 6.85
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -4.09 -0.375 1.53
Prot (kg) -6.59 -0.441 2.91
Fertility Sub Index 7.92
Calving Interval (days) -4.69 -1.459 6.84
Survival (%) 0.96 1.117 1.07
Calving Sub Index 0.42
Gestation Length (days) -0.46 -0.919 0.42
Beef Sub Index 1.33
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 0.83 -0.432 -0.36
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 20.38

* Based on an €80/tonne carbon price