Immunglobulinkonzentration im equinen Kolostrum und im Blut neugeborener Fohlen sowie klinisch relevante IgG-Bestimmungsmethoden

Sievert, Maren; Krohn, Judith; Wehrend, Axel

doi:10.1055/a-1005-0004

Cited by 5 publications

(5 citation statements)

References 32 publications

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“…Ensuring that the parturition proceeds without a problem and monitoring the timely intake of colostrum by the foal [4,5,17] is a basic prerequisite for the development of a healthy foal. The relatively short second stage of parturition, the expulsion phase, lasting 20-30 min [18], severely limits the time window in which successful birth assistance can be provided.…”

Section: Discussionmentioning

confidence: 99%

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Characterization of Typical Behaviors of Mares in the Opening Phase of Parturition—Influence of Parity and Dystocia

Lindinger,

Wehrend

2024

Animals

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The identification of typical behaviors in stage I of parturition, the opening phase, can be used to improve birth monitoring in the mare. Therefore, this study aimed to comprehensively analyze mare behavior during the opening phase. Real-time recordings of 66 births involving 56 warmblood mares were analyzed using camera footage. Behaviors such as increased locomotor activity, pawing with front hooves, lifting the tail, rolling, kicking with the hind legs toward the abdomen, and looking at the abdomen increased significantly (p < 0.001) in the four hours preceding parturition. Within the last hour of the observation period, a statistically significant change was observed for the duration of lying in the sternal and lateral position (p < 0.001). Significant correlations were observed between parity and the total number of repetitions of lying in the sternal position (p < 0.05). Furthermore, the birth process influenced the repetitions of lying in the lateral position (p < 0.05). These findings indicate distinct behavioral patterns during the opening phase of parturition, which were evident across the observed mares. Nonetheless, notable individual differences were also identified among the mares.

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Section: Discussionmentioning

confidence: 99%

“…The significance of birth monitoring and the accurate prediction of parturition lies in the timely intervention necessary for dystocia, thus averting potential illness or mortality of the mare and foal and ensuring timely colostrum intake by the foal [3][4][5][6].…”

Section: Introductionmentioning

confidence: 99%

Characterization of Typical Behaviors of Mares in the Opening Phase of Parturition—Influence of Parity and Dystocia

Lindinger,

Wehrend

2024

Animals

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“…This immunological transfer occurs through a number of routes. A well-established transfer mechanism is through the absorption of maternal immunoglobulins (27). However, colostrum contains more than immunoglobulins (7, 28), i.e., maternal leukocytes (14,29) to properly protect neonates after colostrum uptake.…”

Section: Discussionmentioning

confidence: 99%

Induction of NETosis in ovine colostral PMN upon exposure to Neospora caninum tachyzoites

et al. 2023

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Colostrum is one of the most important factors influencing the health and development of mammalian neonates. It is well-established that leukocytes, including polymorphonuclear neutrophils (PMN), migrate from the mother to the infant via colostrum uptake. In this study, for the first time, we studied the ability of ovine colostral-derived PMN to extrude neutrophil extracellular traps (NETs) against the abortive apicomplexan parasite Neospora caninum. Although this cell population plays a significant role in the transmission of maternal innate immunity to neonates, little is known about colostral PMN activities in sheep. However, this cell population is a significant source of the transfer of maternal immunity to the neonate. Colostral PMN continues to exert immunological effects even after transitioning into the colostrum. The present study aimed to investigate the extrusion of NETs by ovine colostral PMN exposed to the apicomplexan parasite, N. caninum, which is known to cause devastating reproductive disorders in cattle, small ruminants, wildlife animals, and dogs. The present study is the first to demonstrate that ovine colostral PMN can produce NETs after stimulation with vital N. caninum tachyzoites. Ovine colostrum-derived NETs were detected by chromatin staining and antibody-based immunofluorescence staining of NET-specific structures, including neutrophil elastase (NE) and global histones (H1, H2A/H2B, H3, H4), as well as scanning electron microscopy (SEM) analysis.

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“…der sicheren Vo raussage des Geburtszeitpunktes ergibt sich daraus, bei Schwer geburten rechtzeitig eingreifen zu können und Erkrankungen bzw. Todesfälle des Muttertieres und des Fohlens zu vermeiden und die rechtzeitige Aufnahme von Kolostrum durch das Fohlen zu über wachen [3][4][5][6][7]. Ziel dieser Literaturübersicht ist es, das bekannte Wissen über das Geburtsverhalten der Stute darzustellen, um In formationen für eine fachgerechte Geburtsüberwachung zu geben.…”

Section: Introductionunclassified

Verhalten der Stute in der Geburt – eine Literaturübersicht

Lindinger,

Wehrend

2024

Tierarztl Prax Ausg G Grosstiere Nutztiere

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ZusammenfassungDie Geburt des Pferdes ist dadurch gekennzeichnet, dass es bei Verzögerungen sehr schnell zum Tod des Fohlens kommt. Daher ist eine Geburtsüberwachung bzw. die möglichst schnelle Erkennung einer Dystokie von großer Bedeutung. Dazu ist es wichtig, zwischen Verhalten, das mit einer physiologischen Geburt und mit einer Schwergeburt assoziiert ist, zu unterscheiden. Ziel dieser Veröffentlichung ist es daher, anhand einer Literaturübersicht das physiologische Verhalten von Stuten in der Geburt darzustellen. Das Verhalten der Stuten in der Öffnungsphase der Geburt ist sehr individuell. Generell ist es durch eine Erhöhung der Bewegungsaktivität gekennzeichnet. In dieser Phase sind 13 verschiedene Verhaltensweisen beschrieben (z. B. Hinlegen und Aufstehen, Einstellen der Futteraufnahme, lokales Schwitzen, häufiger Kot- und Harnabsatz). In der Austreibungsphase und Nachgeburtsphase zeigen Stuten ein einheitlicheres Verhaltensmuster. Über 95% der Stuten gebären in Seitenlage. Nach der Expulsion des Fetus bleiben Stuten in der Regel noch einige Minuten liegen. Unmittelbar nach dem Aufstehen beginnen die Stuten intensiv mit dem Fohlen Kontakt aufzunehmen. Die Expulsion der Nachgeburt erfolgt meist im Stehen. Für die Praxis ist festzuhalten, dass die Erkennung der Geburt in der Öffnungsphase der Geburt aufgrund der individuellen Verhaltensweisen der Stuten schwierig ist.

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Immunglobulinkonzentration im equinen Kolostrum und im Blut neugeborener Fohlen sowie klinisch relevante IgG-Bestimmungsmethoden

Cited by 5 publications

References 32 publications

Characterization of Typical Behaviors of Mares in the Opening Phase of Parturition—Influence of Parity and Dystocia

Characterization of Typical Behaviors of Mares in the Opening Phase of Parturition—Influence of Parity and Dystocia

Induction of NETosis in ovine colostral PMN upon exposure to Neospora caninum tachyzoites

Verhalten der Stute in der Geburt – eine Literaturübersicht

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