Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My Custom Filters

Edit custom filters

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1979 1
1980 1
1981 2
1982 2
1983 5
1984 1
1985 7
1986 3
1987 8
1988 5
1989 5
1990 5
1991 4
1992 6
1993 2
1994 5
1995 2
1996 5
1997 7
1998 4
1999 3
2000 6
2001 3
2002 4
2003 1
2004 6
2005 4
2006 5
2007 5
2008 6
2009 10
2010 12
2011 10
2012 12
2013 12
2014 3
2015 4
2016 9
2017 11
2018 14
2019 18
2020 9
2021 23
2022 18
2023 8
2024 12
2025 10
2026 13

Publication date

Text availability

Article attribute

Article type

Additional filters

Article Language

Species

Sex

Age

Other

Search Results

286 results

Results by year

Filters applied: . Clear all
Page 1
Effects of altrenogest on reproductive performance of gilts and sows: A meta-analysis.
Wang Z, Liu BS, Wang XY, Wei QH, Tian H, Wang LQ. Wang Z, et al. Anim Reprod Sci. 2018 Oct;197:10-21. doi: 10.1016/j.anireprosci.2018.08.035. Epub 2018 Aug 30. Anim Reprod Sci. 2018. PMID: 30197055 Review.
Altrenogest is a synthetic progestogen that allows for synchronization of the time of estrus in swine. ...The NBA and TNB of primiparous sows fed altrenogest were improved although FR was less. In multiparous sows, altrenogest treatment did not result in any …
Altrenogest is a synthetic progestogen that allows for synchronization of the time of estrus in swine. ...The NBA and TNB of primipar …
Pharmacokinetics of altrenogest in gilts.
Xiao H, Sun P, Sun F, Qiu J, Wang J, Wang J, Lin Y, Gong X, Zhang L, Zhang S, Cao X. Xiao H, et al. J Vet Pharmacol Ther. 2019 Nov;42(6):660-664. doi: 10.1111/jvp.12755. Epub 2019 Jun 20. J Vet Pharmacol Ther. 2019. PMID: 31222770
Altrenogest, a synthetic progestogen, is characterized by its estrus synchronization in mares, ewes, sows, and gilts. ...These results showed that after 18 consecutive days of oral administration of altrenogest, plasma concentrations of altrenogest had a cert …
Altrenogest, a synthetic progestogen, is characterized by its estrus synchronization in mares, ewes, sows, and gilts. ...These result …
Altrenogest Supplementation during Early Pregnancy Improves Reproductive Outcome in Pigs.
Muro BBD, Oliveira ACR, Carnevale RF, Leal DF, Monteiro MS, Poor AP, Pereira FA, de Souza LJ, Ferreira JB, Almond GW, Garbossa CAP. Muro BBD, et al. Animals (Basel). 2022 Jul 14;12(14):1801. doi: 10.3390/ani12141801. Animals (Basel). 2022. PMID: 35883348 Free PMC article.
Progesterone plays an important role in initial conceptus development and in a successful pregnancy, but results related to progesterone or its analogues (altrenogest) supplementation in early pregnancy of pigs are conflicting. The present study evaluated the effects of …
Progesterone plays an important role in initial conceptus development and in a successful pregnancy, but results related to progesterone or …
Altrenogest treatment reduces the stress response of three-year-old warmblood mares during their initial equestrian training.
Kaps M, Lutzer A, Gautier C, Nagel C, Aurich J, Aurich C. Kaps M, et al. Domest Anim Endocrinol. 2022 Jul;80:106728. doi: 10.1016/j.domaniend.2022.106728. Epub 2022 Mar 20. Domest Anim Endocrinol. 2022. PMID: 35421809 Free article.

Horse mares are frequently treated with the progestin altrenogest with the aim to suppress estrous behavior and its negative impact on equestrian performance. ...The subsequent increase was larger in group ALT vs CON (time x treatment P < 0.05). In conclusion, altren

…
Horse mares are frequently treated with the progestin altrenogest with the aim to suppress estrous behavior and its negative impact o …
Altrenogest affects the development and endocrine milieu of ovarian follicles in prepubertal and mature gilts .
Ziecik AJ, Drzewiecka K, Gromadzka-Hliwa K, Klos J, Witek P, Knapczyk-Stwora K, Gajewski Z, Kaczmarek MM. Ziecik AJ, et al. Biol Reprod. 2020 Oct 29;103(5):1069-1084. doi: 10.1093/biolre/ioaa136. Biol Reprod. 2020. PMID: 32744329
Here, we aimed to investigate how maturity and altrenogest treatment affect the development, endocrine milieu, and molecular control of ovarian follicles. ...In mature gilts, altrenogest reduced the percentage of primary follicles and elevated the total number of an …
Here, we aimed to investigate how maturity and altrenogest treatment affect the development, endocrine milieu, and molecular control …
Preparation of altrenogest soft capsules and their bioequivalence in gilts.
Xu J, Ling L, Lan Y, Yuan Y, Ran L, Jiang J, Huang X. Xu J, et al. Front Vet Sci. 2024 Aug 30;11:1468615. doi: 10.3389/fvets.2024.1468615. eCollection 2024. Front Vet Sci. 2024. PMID: 39280836 Free PMC article.
INTRODUCTION: Altrenogest (ALT) is widely used to regulate the estrous cycle of sows and mares; however, currently used oral solutions of ALT are deficient in terms of dose accuracy and stability during use. ...
INTRODUCTION: Altrenogest (ALT) is widely used to regulate the estrous cycle of sows and mares; however, currently used oral solution …
Pharmacokinetics of Intrarectal Altrenogest in Horses.
Ellis KE, Council-Troche RM, Von Dollen KA, Beachler TM, Bailey CS, Davis JL, Lyle SK. Ellis KE, et al. J Equine Vet Sci. 2019 Jan;72:41-46. doi: 10.1016/j.jevs.2018.10.001. Epub 2018 Oct 10. J Equine Vet Sci. 2019. PMID: 30929782
Hospitalized pregnant mares being held nil per os (PO) because of medical or surgical events present a dilemma for pregnancy maintenance therapy, which commonly includes oral altrenogest. Rectal administration of medications is a recognized route for achieving systemic con …
Hospitalized pregnant mares being held nil per os (PO) because of medical or surgical events present a dilemma for pregnancy maintenance the …
Administration of Altrenogest to Maintain Pregnancy in Asian Elephants (Elephas maximus).
Kottwitz JJ, Kiso W, Boothe DM, Schmitt D. Kottwitz JJ, et al. Animals (Basel). 2022 Jul 21;12(14):1852. doi: 10.3390/ani12141852. Animals (Basel). 2022. PMID: 35883398 Free PMC article.
Three pregnant Asian elephants received altrenogest from 41 to 131 days during the final trimester of pregnancy, with parturition occurring from 15 to 31 days after altrenogest administration stopped. A single dose of 0.2 mg/kg altrenogest administered to two …
Three pregnant Asian elephants received altrenogest from 41 to 131 days during the final trimester of pregnancy, with parturition occ …
Administration Route Differentiation of Altrenogest via the Metabolomic LC-HRMS Analysis of Equine Urine.
Elbourne M, Keledjian J, Cawley A, Fu S. Elbourne M, et al. Molecules. 2024 Oct 22;29(21):4988. doi: 10.3390/molecules29214988. Molecules. 2024. PMID: 39519629 Free PMC article.
Altrenogest, also known as allyltrenbolone, is a synthetic form of progesterone used therapeutically to suppress unwanted symptoms of estrus in female horses. Altrenogest affects the system by decreasing levels of endogenous gonadotrophin and luteinizing and follicl …
Altrenogest, also known as allyltrenbolone, is a synthetic form of progesterone used therapeutically to suppress unwanted symptoms of …
Injectable and In Situ Phospholipid-Based Phase Separation Gel for Sustained Delivery of Altrenogest.
Li D, Abbas A, Li N, Li C, Ai X, Chen L, Dai D, Shu G, Lin J, Zhang W, Peng G, Li H, Xu F, Fu H. Li D, et al. Gels. 2024 Dec 23;10(12):847. doi: 10.3390/gels10120847. Gels. 2024. PMID: 39727604 Free PMC article.
Altrenogest is a key regulatory hormone for intensive and batch management of reserve sows in breeding farms. ...In vitro, altrenogest can be continuously released from gel for over two weeks. The pharmacokinetic results showed that the AUC ((0- )) of the altreno …
Altrenogest is a key regulatory hormone for intensive and batch management of reserve sows in breeding farms. ...In vitro, altreno …
286 results