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 3.97
Milk (kg) -137.00 -0.014 1.92
Fat (kg) -3.20 -0.375 1.20
Prot (kg) -1.94 -0.441 0.86
Fertility Sub Index -1.42
Calving Interval (days) 0.69 -1.459 -1.01
Survival (%) -0.37 1.117 -0.41
Calving Sub Index 0.63
Gestation Length (days) -0.69 -0.919 0.63
Beef Sub Index -1.72
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 6.91 -0.432 -2.98
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index 2.73

* Based on an €80/tonne carbon price