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 -5.52
Milk (kg) 103.00 -0.014 -1.44
Fat (kg) 5.62 -0.375 -2.11
Prot (kg) 4.47 -0.441 -1.97
Fertility Sub Index 6.23
Calving Interval (days) -4.10 -1.459 5.98
Survival (%) 0.22 1.117 0.25
Calving Sub Index 3.13
Gestation Length (days) -3.41 -0.919 3.13
Beef Sub Index 0.80
Carcass Weight (kg) -6.50 -0.528 3.43
Age of Slaughter (days) 6.09 -0.432 -2.63
Maintenance Sub Index Maint. Sub Index -1.84
Live WT (kg) 6.00 -0.307 -1.84
Total Carbon Sub Index 2.80

* Based on an €80/tonne carbon price