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 2.83
Milk (kg) -46.00 -0.014 0.64
Fat (kg) -4.01 -0.375 1.50
Prot (kg) -1.54 -0.441 0.68
Fertility Sub Index 3.54
Calving Interval (days) -1.80 -1.459 2.63
Survival (%) 0.82 1.117 0.92
Calving Sub Index -1.29
Gestation Length (days) 1.40 -0.919 -1.29
Beef Sub Index -3.52
Carcass Weight (kg) 4.70 -0.528 -2.48
Age of Slaughter (days) 2.42 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 0.58
Live WT (kg) -1.90 -0.307 0.58
Total Carbon Sub Index 2.14

* Based on an €80/tonne carbon price