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 1.81
Milk (kg) -112.00 -0.014 1.57
Fat (kg) 0.53 -0.375 -0.20
Prot (kg) -0.99 -0.441 0.44
Fertility Sub Index 10.61
Calving Interval (days) -5.47 -1.459 7.98
Survival (%) 2.35 1.117 2.63
Calving Sub Index 1.82
Gestation Length (days) -1.98 -0.919 1.82
Beef Sub Index 5.30
Carcass Weight (kg) -12.90 -0.528 6.80
Age of Slaughter (days) 3.48 -0.432 -1.50
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 21.68

* Based on an €80/tonne carbon price