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 7.15
Milk (kg) -177.00 -0.014 2.48
Fat (kg) -7.27 -0.375 2.72
Prot (kg) -4.42 -0.441 1.95
Fertility Sub Index 7.71
Calving Interval (days) -4.05 -1.459 5.91
Survival (%) 1.61 1.117 1.80
Calving Sub Index 2.61
Gestation Length (days) -2.84 -0.919 2.61
Beef Sub Index 3.00
Carcass Weight (kg) -5.80 -0.528 3.06
Age of Slaughter (days) 0.13 -0.432 -0.06
Maintenance Sub Index Maint. Sub Index 6.84
Live WT (kg) -22.30 -0.307 6.84
Total Carbon Sub Index 27.31

* Based on an €80/tonne carbon price