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 2.62
Milk (kg) -42.00 -0.014 0.59
Fat (kg) -2.88 -0.375 1.08
Prot (kg) -2.16 -0.441 0.95
Fertility Sub Index 6.18
Calving Interval (days) -2.75 -1.459 4.01
Survival (%) 1.94 1.117 2.17
Calving Sub Index -1.46
Gestation Length (days) 1.59 -0.919 -1.46
Beef Sub Index -2.66
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 8.36 -0.432 -3.61
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 10.93

* Based on an €80/tonne carbon price