Serum concentrations of immunoglobulins and cortisol around parturition in clinically healthy sows and sows with postpartum dysgalactia syndrome (PDS)

Czyżewska‐Dors, Ewelina; Wierzchosławski, Karol; Pomorska‐Mól, Małgorzata

doi:10.2478/jvetres-2022-0034

Cited by 2 publications

(2 citation statements)

References 25 publications

(38 reference statements)

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“…It was followed by IgA and IgM, the least concentrated ones [3,[12][13][14]. The observed patterns of the mean concentration of tested Ig in sows' sera, where IgG and IgA are the most and least concentrated, are also consensual with previously obtained results [15]. Consistent with previous studies, IgG was also the dominant Ig of piglets' sera [3,14].…”

Section: Discussionsupporting

confidence: 90%

Concentrations of selected immunological parameters in the serum and processing fluid of suckling piglets and the serum and colostrum of their mothers

Augustyniak,

Czyżewska-Dors,

Pomorska-Mól

2024

BMC Vet Res

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Background Blood sampling from neonatal piglets is related to multiple disadvantages. Therefore, a new, alternative matrix is required to assess piglets’ early immune status efficiently. The present study aimed to assess the usefulness of processing fluid for determining selected piglets’ immune parameters. 264 pigs − 31 sows, 146 male piglets, and 87 female piglets from commercial indoor farrow-to-finish pig herd were included in this study. 264 serum, 31 colostrum, and 146 processing fluid samples were collected. Serum was collected from all animals, colostrum was collected from sows, and processing fluid was collected from male piglets only. Using commercial ELISA tests, the concentration of various immunoglobulins, cytokines, and acute phase proteins was assessed in each matrix. Statistical analyses were employed to determine differences in the concentration of measured indices between piglets’ serum and processing fluid and correlations in the concentration of tested indices between particular sets of matrices. Results Statistical analyses did not reveal significant differences in the IgG, IgA, IL-1β, IL-4, IL-6, and IFN-γ concentration between piglets’ serum and processing fluid (p > 0.05). A positive correlation (p < 0.05) regarding the concentration of some indices between processing fluid and samples collected from sows was also observed. Conclusions Processing fluid can be considered a promising alternative to blood for assessing some immunological indices in piglets, such as IgG, IgA, IL-1β, IL-4, IL-6, and IFN-γ, and, possibly, in the indirect assessment of some indices in lactating sows, including IgA, IL-1β, IL-4, IL-6, IL-8, IFN-γ, or Pig-MAP.

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Section: Discussionsupporting

confidence: 90%

Concentrations of selected immunological parameters in the serum and processing fluid of suckling piglets and the serum and colostrum of their mothers

Augustyniak,

Czyżewska-Dors,

Pomorska-Mól

2024

BMC Vet Res

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“…It serves as a barrier that protects the fetus from potential pathogens while facilitating the exchange of nutrients and waste products between the mother and the developing offspring. The immune system actively participates in maintaining the integrity of the placental barrier and responding to any potential threats that may arise Czyżewska-Dors et al, 2022). Thus, immune system is indispensable in ensuring the success of pregnancy in animals, including cows.…”

Section: Introductionmentioning

confidence: 99%

Adaptive changes in immunological, hematological and metabolic profiles of pregnant cows

Zhelavskyi,

Kernychnyi,

Dmytriv

et al. 2024

Ukr. Jour. of Vet. and Agr. Sci.

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Pregnancy triggers a series of complex interactions within the body, involving both the immune system and metabolic processes. In the case of pregnant cows, these mechanisms are essential for supporting the developing fetus and maintaining the overall health of the mother. The aim of the work was to study the hematological, biochemical, and immunological parameters of cows at different periods of pregnancy. Research was conducted on cows (Bos Taurus) of the Ukrainian Black-and-White dairy breed. Groups were formed based on the principle of analogs. The research was carried out using the methodology of group-period experiments. The control group consisted of non-pregnant cows. The first observation period was conducted on pregnant cows with confirmed pregnancy (30 days). The second observation period was carried out at 90 days of pregnancy, the third at 180 days of gestation, and the fourth at 270 days. Laboratory studies included immunological research conducted in the specialized laboratory of immunology for reproduction animals. The first notable observation was the gradual increase in the population of CD3+ lymphocytes from the beginning of gestation, which remained stable until the 90th day of pregnancy and then gradually decreased. The population of B cell immune cells CD22+ had its peculiarities: dynamic and stable growth from the start of pregnancy until the middle of the second trimester (180 days), followed by a gradual decrease until the onset of labor. The redistribution of T and B lymphocytes occurred with dynamic fluctuations in the number of undifferentiated 0-lymphocytes. The processes of transformation and adaptation of homeostasis affected both enzyme activity and indicators of mineral metabolism. Thus, from the beginning of pregnancy (from the 30th day of gestation), the experimental cows showed a significant increase in alkaline phosphatase activity (P < 0.05), alanine aminotransferase (P < 0.05), and aspartate aminotransferase activity (P < 0.05). During the pregnancy of cows, body changes occur. From the early period of gestation throughout the entire period of embryogenesis, changes in the system of hematopoiesis, alterations in the activity of enzymes, exchange of Ca and P, accompanied by changes in immunological reactions take place. These processes are adaptive and ensure the maintenance of the homeostasis system. The perspective of further research will aim at studying changes in immunological and biochemical parameters during physiological pregnancy and when it is complicated.

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Serum concentrations of immunoglobulins and cortisol around parturition in clinically healthy sows and sows with postpartum dysgalactia syndrome (PDS)

Cited by 2 publications

References 25 publications

Concentrations of selected immunological parameters in the serum and processing fluid of suckling piglets and the serum and colostrum of their mothers

Concentrations of selected immunological parameters in the serum and processing fluid of suckling piglets and the serum and colostrum of their mothers

Adaptive changes in immunological, hematological and metabolic profiles of pregnant cows

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