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 3.36
Milk (kg) -71.00 -0.014 0.99
Fat (kg) -4.63 -0.375 1.73
Prot (kg) -1.43 -0.441 0.63
Fertility Sub Index 3.54
Calving Interval (days) -1.27 -1.459 1.85
Survival (%) 1.51 1.117 1.69
Calving Sub Index -0.08
Gestation Length (days) 0.09 -0.919 -0.08
Beef Sub Index -4.02
Carcass Weight (kg) 4.00 -0.528 -2.11
Age of Slaughter (days) 4.43 -0.432 -1.91
Maintenance Sub Index Maint. Sub Index -0.83
Live WT (kg) 2.70 -0.307 -0.83
Total Carbon Sub Index 1.96

* Based on an €80/tonne carbon price