Secretion of anti-Müllerian hormone in the Florida manatee Trichechus manatus latirostris, with implications for assessing conservation status

Enhancing reproductive assessments of the Florida manatee Trichechus manatus latirostris by establishing optimal time period and inhibin B baseline concentrations

“…Hernandez et al 1995, Larkin et al 2005, Marsh et al 2011. However, there have been only 2 TGF-b hormones examined to date in Florida manatees (AMH, Wilson et al 2011; inhibin B, present study). The subspecies occupies coastal and riverine habitats, primarily in the southeastern United States.…”

“…In that study, levels of inhibin B were higher in female dolphins sampled from Florida and lower in those sampled in Georgia, and no relationship of body length to inhibin B level was observed (Schwierzke-Wade 2011). However, for another TGF-b family member, significant differences (p < 0.01) were seen with body length and AMH levels in male but not in female manatees (Wilson et al 2011).…”

“…Initially studied to understand their role in reproduction and development in humans (Welt et al 1999, Knight & Glister 2006, these peptide hormones have also been investigated in several terrestrial mammalian taxa, such as rodents (Buzzard et al 2004, Kevenaar et al 2006, bovines (Ireland et al 2008), ovines (Campbell & Baird 2001), 3 species of marine mammals (Wilson et al 2011, Schwierzke-Wade 2011, Lehnert et al 2019, and 2 different echinoderms (Roudebush & Chosed 2019). The utility of measuring these hormones in a comprehensive evaluation of the conservation status of protected mammalian species has been considered (Marsh et al 2011, Wilson et al 2011, but seldom employed to further promote understanding of expression and function.…”

Presence of anti‐müllerian hormone in the squirrel monkey (Saimiri boliviensis): gender and seasonal differences

“…Whereas testosterone is primarily secreted in the testes of males and the ovaries of females, small amounts are also secreted by the adrenal glands. By contrast, AMH and inhibin B are only produced by gonadal tissue and serum levels directly reflect folliculogenesis/spermatogenesis activity; therefore, they are more sensitive markers of reproductive potential than any other molecule, for example, estradiol and/or testosterone .…”

“…The utility of measuring reproductive hormones (e.g. AMH) provides a comprehensive assessment of the conservation status of protected species of mammals, in particular, has been noted .…”