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 6.45
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -12.16 -0.375 4.55
Prot (kg) -0.91 -0.441 0.40
Fertility Sub Index 7.54
Calving Interval (days) -3.37 -1.459 4.92
Survival (%) 2.35 1.117 2.63
Calving Sub Index -1.82
Gestation Length (days) 1.98 -0.919 -1.82
Beef Sub Index -3.18
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 7.97 -0.432 -3.44
Maintenance Sub Index Maint. Sub Index 7.51
Live WT (kg) -24.50 -0.307 7.51
Total Carbon Sub Index 16.51

* Based on an €80/tonne carbon price