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 2.45
Milk (kg) -106.00 -0.014 1.48
Fat (kg) -3.77 -0.375 1.41
Prot (kg) 1.00 -0.441 -0.44
Fertility Sub Index 4.19
Calving Interval (days) -2.48 -1.459 3.62
Survival (%) 0.51 1.117 0.57
Calving Sub Index -0.97
Gestation Length (days) 1.05 -0.919 -0.97
Beef Sub Index -5.36
Carcass Weight (kg) 8.80 -0.528 -4.64
Age of Slaughter (days) 1.67 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index -0.86
Live WT (kg) 2.80 -0.307 -0.86
Total Carbon Sub Index -0.55

* Based on an €80/tonne carbon price