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 9.54
Milk (kg) -177.00 -0.014 2.48
Fat (kg) -10.63 -0.375 3.98
Prot (kg) -6.97 -0.441 3.08
Fertility Sub Index 7.40
Calving Interval (days) -4.52 -1.459 6.59
Survival (%) 0.72 1.117 0.80
Calving Sub Index -0.30
Gestation Length (days) 0.33 -0.919 -0.30
Beef Sub Index 5.02
Carcass Weight (kg) -11.30 -0.528 5.96
Age of Slaughter (days) 2.17 -0.432 -0.94
Maintenance Sub Index Maint. Sub Index 7.23
Live WT (kg) -23.60 -0.307 7.23
Total Carbon Sub Index 28.89

* Based on an €80/tonne carbon price