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 -4.80
Milk (kg) 63.00 -0.014 -0.88
Fat (kg) 2.54 -0.375 -0.95
Prot (kg) 6.73 -0.441 -2.97
Fertility Sub Index -1.42
Calving Interval (days) 1.96 -1.459 -2.86
Survival (%) 1.29 1.117 1.44
Calving Sub Index -1.49
Gestation Length (days) 1.62 -0.919 -1.49
Beef Sub Index -1.75
Carcass Weight (kg) 2.70 -0.528 -1.42
Age of Slaughter (days) 0.75 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index -8.04

* Based on an €80/tonne carbon price