Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Calculated body mass index (kg/m2) during the first year of life from calves born after artificial insemination (AI), in vitro produced with bovine serum albumin (BSA), and in vitro produced with reproductive fluids (RF). Values represent mean ± SEM. Asterisk(s) represent statistical difference, and above the asterisks, the difference found is represented by color (AI, red; BSA, blue; RF, black). *p < 0.05; **p < 0.01; ****p < 0.0001; NS, not significant.
