43 citations
,
January 2006 in “PubMed” Androgens and estrogens are crucial for male reproductive health, affecting hormone levels and tissue function.
October 2019 in “Bioscientifica Proceedings” Androgens may improve pig reproduction by enhancing ovulation and litter size.
June 2011 in “Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)” Estrogens and androgens are crucial for male fertility.
January 2025 in “Arquivo Brasileiro de Medicina Veterinária e Zootecnia” Agoutis in captivity have more resting (telogen) hairs than growing (anagen) hairs, regardless of season or gender.
Ovulation inhibitors effectively treat menstrual issues and improve fertility but can have side effects.
31 citations
,
January 1989 in “The Prostate/The prostate” Estradiol and castration reduced prostate cancer development in rats when applied at early stages, but were ineffective after cancer was established.
4 citations
,
August 2021 in “Theriogenology” Neurosteroids play a key role in controlling the brain-adrenal gland activity in pregnant sheep, both in normal and stressful situations.
3 citations
,
March 2021 in “Indonesia Medicus Veterinus” The dog's health improved after treatment with antibiotics and other medications.
11 citations
,
July 1998 in “Journal of Investigative Dermatology” β-estradiol slows hair growth in mice.
1 citations
,
February 2015 in “Revista Acadêmica Ciência Animal” A mare had a functional ovary with a tumor containing cartilage and bone.
8 citations
,
August 2015 in “Endocrine” 20 citations
,
July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
October 2023 in “IJEM case reports” A 15-year-old girl with no menstrual period was diagnosed with a genetic condition that makes her body unable to respond to male hormones, leading to female characteristics despite having male genetic makeup.
3 citations
,
August 2004 in “Veterinary Dermatology” Supplementing vitamins and minerals prevented hair loss in Icelandic horses.
68 citations
,
April 1965 in “General and Comparative Endocrinology” The pituitary gland controls seasonal fur color changes in weasels.
1 citations
,
December 1971 in “PubMed” 
5 citations
,
October 2018 in “Sains Malaysiana” Testosterone reduces key molecules needed for early pregnancy in rats.
32 citations
,
September 2010 in “Stress” Neurosteroids help protect fetal brains from asphyxia damage.
62 citations
,
August 2018 in “Frontiers in Endocrinology” Androgens are important for normal ovarian function and estrogen production, but may not be the main cause of follicle death.
11 citations
,
November 2006 in “Journal of Veterinary Diagnostic Investigation” An alpaca acted like a male and couldn't have babies because of a benign tumor in its ovary that caused high testosterone levels.
30 citations
,
December 2001 in “Experimental dermatology” Gonadal hormones significantly affect the severity of alopecia areata in mice.
6 citations
,
April 2004 in “Journal of Enzyme Inhibition and Medicinal Chemistry” New progesterone-based compounds can block male hormones.
April 2016 in “The FASEB Journal” Blocking androgen receptors early in life increases estrogen levels and reduces sexual motivation in male rats.
13 citations
,
August 2016 in “Reproduction” High doses of nandrolone decanoate disrupt ovarian hormones and receptors in rats, with recovery only at lower doses and longer recovery times.
August 2022 in “Theriogenology” Neurosteroids affect prolactin levels in sheep differently depending on stress and pregnancy conditions.