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 3.43
Milk (kg) -54.00 -0.014 0.76
Fat (kg) -3.77 -0.375 1.41
Prot (kg) -2.85 -0.441 1.26
Fertility Sub Index 4.84
Calving Interval (days) -4.45 -1.459 6.49
Survival (%) -1.48 1.117 -1.65
Calving Sub Index -3.60
Gestation Length (days) 3.92 -0.919 -3.60
Beef Sub Index 1.87
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) -2.13 -0.432 0.92
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index 9.26

* Based on an €80/tonne carbon price