Article (Scientific journals)
American Bison (Bison bison) reproductive endocrinology: serum Pregnancy Associated Glycoproteins (PAG), Progesterone, Estrone and Estrone-Sulfate in non pregnant animals and during gestation
Frisee, Vincent; Rigaux, Goulven; Dufour, Patrice et al.
2022In Domestic Animal Endocrinology, 78, p. 106684
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Keywords :
American Bison (Bison Bison); PAG (Pregnancy Associated Glycoproteins); RIA (Radio-immuno Assay); Progesterone; Estrogens; Estrone; Estrone-sulfate; LC-MS (Liquid Chromatography and Mass Spectrometry)
Abstract :
[en] This study describes concentrations of Pregnancy Associated Glycoproteins (PAG), progesterone (P4), estrone (E1) and estrone-sulfate (E1S) in American Bison sera. In 2 ranches, mature American Bison were sampled once a year for 2 yr. Subsequent American Bison cows calving days were reported. PAG concentration was determined by Radio-Immuno Assay, whereas P4, E1 and E1S were assayed using Liquid Chromatography and Mass Spectrometry. Concentrations were compared between American Bison bulls (B, n = 7), Nonpregnant cows (NP, n = 32), first (1TP, n = 3), second (2TP, n = 26) and third (3TP, n = 15) trimester of pregnancy. Seven American Bison bulls and 92 cows were sampled, 51 calved during these 2 yr. Calving occurred mostly in spring (74.5%), but also in summer (13.7%) and fall (11.8%). PAG and P4 were higher in 2TP and 3TP than B and NP (P< 0.0001). P4 was non-basal in B and NP. E1 and E1S were correlated (P< 0.0001; r = 0.76) and increased in 2TP and 3TP when compared with B and NP (P< 0.01). Moreover, E1S was higher in 3TP than in 2TP (P< 0.0001) and correlated to pregnancy day (P< 0.0001; r = 0.60). Breeding American Bison in Belgium induces a calving seasonality loss. P4 slowly increases in 1TP and remains steady and high in 2 and 3TP. P4 non-basal and variable concentrations in B or NP disable its use as gestation marker. American Bison produce PAG in the 2 and 3TP, but Estrone-sulfate assay seems to be the best pregnancy marker during the 2 last trimesters as it could help to estimate the gestation period.
Disciplines :
Zoology
Veterinary medicine & animal health
Author, co-author :
Frisee, Vincent  ;  Université de Liège - ULiège > Dépt d'Ens. et de Clinique des animaux de Production (DCP) > Gestion de la santé des ruminants
Rigaux, Goulven;  Pan Anima
Dufour, Patrice ;  Centre Hospitalier Universitaire de Liège - CHU > Unilab > Service de chimie clinique
Barbato, Olimpia;  Perugia University > Veterinary Medicine
Brutinel, Flore ;  Université de Liège - ULiège > Dépt d'Ens. et de Clinique des animaux de Compagnie (DCC) > Reproduction des animaux de compagnie
Egyptien, Sophie  ;  Université de Liège - ULiège > Reproduction des animaux de compagnie
Bossaert, Philippe ;  Université de Liège - ULiège > Dépt d'Ens. et de Clinique des animaux de Production (DCP) > Gestion de la santé des ruminants
Deleuze, Stefan  ;  Université de Liège - ULiège > Dépt d'Ens. et de Clinique des animaux de Compagnie (DCC) > Reproduction des animaux de compagnie
Cavalier, Etienne  ;  Université de Liège - ULiège > Département de pharmacie > Chimie médicale
Ponthier, Jérôme ;  Université de Liège - ULiège > Département d'Ens. et de Clinique des Equidés (DCE) > Reproduction des équidés
Language :
English
Title :
American Bison (Bison bison) reproductive endocrinology: serum Pregnancy Associated Glycoproteins (PAG), Progesterone, Estrone and Estrone-Sulfate in non pregnant animals and during gestation
Publication date :
January 2022
Journal title :
Domestic Animal Endocrinology
ISSN :
0739-7240
eISSN :
1879-0054
Publisher :
Elsevier, Netherlands
Volume :
78
Pages :
106684
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
Highlights: •Estrone and estrone-sulfate are specific markers of American Bison late pregnancy. •Progesterone is not a pregnancy marker, as it is non-basal in nonpregnant Bison. •PAG are rising in blood in the 2 last trimesters of pregnancy and is highly variable. •Breeding Bison in Europe can lead to a loss of births seasonality and low calving rate.
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