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 4.39
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -6.38 -0.375 2.39
Prot (kg) -1.93 -0.441 0.85
Fertility Sub Index 1.49
Calving Interval (days) -0.59 -1.459 0.86
Survival (%) 0.56 1.117 0.63
Calving Sub Index -1.09
Gestation Length (days) 1.19 -0.919 -1.09
Beef Sub Index -4.02
Carcass Weight (kg) 5.20 -0.528 -2.74
Age of Slaughter (days) 2.95 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index -1.75
Live WT (kg) 5.70 -0.307 -1.75
Total Carbon Sub Index -0.98

* Based on an €80/tonne carbon price