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 5.77
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -4.61 -0.375 1.73
Prot (kg) -3.70 -0.441 1.63
Fertility Sub Index 8.27
Calving Interval (days) -3.43 -1.459 5.00
Survival (%) 2.92 1.117 3.26
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.28
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 3.13 -0.432 -1.35
Maintenance Sub Index Maint. Sub Index 5.70
Live WT (kg) -18.60 -0.307 5.70
Total Carbon Sub Index 23.83

* Based on an €80/tonne carbon price