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 -4.81
Milk (kg) 35.00 -0.014 -0.49
Fat (kg) 6.76 -0.375 -2.53
Prot (kg) 4.05 -0.441 -1.79
Fertility Sub Index -3.76
Calving Interval (days) 1.89 -1.459 -2.76
Survival (%) -0.90 1.117 -1.01
Calving Sub Index 1.54
Gestation Length (days) -1.67 -0.919 1.54
Beef Sub Index -1.86
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 6.15 -0.432 -2.65
Maintenance Sub Index Maint. Sub Index -1.78
Live WT (kg) 5.80 -0.307 -1.78
Total Carbon Sub Index -10.68

* Based on an €80/tonne carbon price