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 1.87
Milk (kg) -48.00 -0.014 0.67
Fat (kg) -2.75 -0.375 1.03
Prot (kg) -0.38 -0.441 0.17
Fertility Sub Index 5.83
Calving Interval (days) -2.78 -1.459 4.06
Survival (%) 1.59 1.117 1.78
Calving Sub Index -1.61
Gestation Length (days) 1.75 -0.919 -1.61
Beef Sub Index -1.73
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 6.46 -0.432 -2.79
Maintenance Sub Index Maint. Sub Index 5.76
Live WT (kg) -18.80 -0.307 5.76
Total Carbon Sub Index 10.12

* Based on an €80/tonne carbon price