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 7.36
Milk (kg) -177.00 -0.014 2.48
Fat (kg) -6.01 -0.375 2.25
Prot (kg) -5.96 -0.441 2.63
Fertility Sub Index 5.89
Calving Interval (days) -3.59 -1.459 5.24
Survival (%) 0.58 1.117 0.65
Calving Sub Index 1.46
Gestation Length (days) -1.59 -0.919 1.46
Beef Sub Index 2.19
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 0.66 -0.432 -0.28
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 20.74

* Based on an €80/tonne carbon price