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 17.69
Milk (kg) -625.00 -0.014 8.75
Fat (kg) -6.44 -0.375 2.41
Prot (kg) -14.78 -0.441 6.52
Fertility Sub Index 5.97
Calving Interval (days) -2.42 -1.459 3.53
Survival (%) 2.18 1.117 2.44
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index 3.98
Carcass Weight (kg) -14.40 -0.528 7.60
Age of Slaughter (days) 8.37 -0.432 -3.61
Maintenance Sub Index Maint. Sub Index 13.46
Live WT (kg) -43.90 -0.307 13.46
Total Carbon Sub Index 41.92

* Based on an €80/tonne carbon price