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 7.11
Milk (kg) -183.00 -0.014 2.56
Fat (kg) -5.54 -0.375 2.08
Prot (kg) -5.61 -0.441 2.48
Fertility Sub Index 7.02
Calving Interval (days) -4.03 -1.459 5.88
Survival (%) 1.02 1.117 1.14
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index 0.12
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.28 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 17.88

* Based on an €80/tonne carbon price