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 3.01
Milk (kg) -48.00 -0.014 0.67
Fat (kg) -4.91 -0.375 1.84
Prot (kg) -1.13 -0.441 0.50
Fertility Sub Index 3.24
Calving Interval (days) -1.76 -1.459 2.57
Survival (%) 0.60 1.117 0.67
Calving Sub Index -0.61
Gestation Length (days) 0.66 -0.919 -0.61
Beef Sub Index -5.70
Carcass Weight (kg) 4.60 -0.528 -2.43
Age of Slaughter (days) 7.59 -0.432 -3.28
Maintenance Sub Index Maint. Sub Index -4.54
Live WT (kg) 14.80 -0.307 -4.54
Total Carbon Sub Index -4.60

* Based on an €80/tonne carbon price