Effects of post-ruminal urea supplementation during the seasonal period on performance and rumen microbiome of rearing grazing nellore cattle

HIGHLIGHTS

SUMMARY

Contrast 1 assessed the use of supplements containing soybean meal, conventional urea, or post-ruminal urea, with supplements where soybean meal was replaced by a conventional urea junction plus post-ruminal urea (TP-U/TP-PRU vs. NPN-U-PRU/NPN-PRU), Contrast 2 compared conventional urea-containing supplement with post-ruminal urea supplement, (TP-U vs. TP-PRU). Average daily gain (kg) Average daily gain (kg) 0-28 0-28 TP-U TP-U 28-56 28-56 Trial periods Trial periods TP-PRU TP-PRU NPN-U-PRU NPN-U-PRU NPN . . .

 



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