Andrzej Junkuszew
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View article: Effect of neurokinin B and dynorphin A on kisspeptin-10 secretion from the anterior pituitary cells of pubescent ewes <i>in vitro</i>
Effect of neurokinin B and dynorphin A on kisspeptin-10 secretion from the anterior pituitary cells of pubescent ewes <i>in vitro</i> Open
Introduction Neurokinin B (NKB), dynorphin A (Dyn A) and kisspeptin (KiSS) are key agents that participate in the neuroendocrine regulation of the development and functioning of the reproductive system. While the role of KiSS is better und…
View article: Influence of neurokinin B, dynorphin A and kisspeptin-10 on <i>in vitro</i> gonadotropin secretion by anterior pituitary cells isolated from pubescent ewes
Influence of neurokinin B, dynorphin A and kisspeptin-10 on <i>in vitro</i> gonadotropin secretion by anterior pituitary cells isolated from pubescent ewes Open
Introduction The hypothalamic neuropeptides kisspeptin-10 (KiSS-10), neurokinin B (NKB), and dynorphin A (Dyn A) play roles in the endocrine regulation of the hypothalamic–pituitary–ovarian (HPO) axis in puberty. Livestock’s timely attainm…
View article: The influence of probiotic administration on the phagocytic and oxidative burst activity of neutrophils and monocytes in the peripheral blood of dairy cows during different lactation periods
The influence of probiotic administration on the phagocytic and oxidative burst activity of neutrophils and monocytes in the peripheral blood of dairy cows during different lactation periods Open
Introduction The objective of this bovine peripheral blood study was a comparative assessment of the phagocytic activity of neutrophils and monocytes and of the intracellular killing capacity of neutrophils from cows given no probiotic and…
View article: The activity of monocyte-derived macrophages after stimulation with platelet-rich and platelet-poor concentrates. Study on an ovine model of insertion of a tibial implant coated with silicon-doped diamond-like carbon
The activity of monocyte-derived macrophages after stimulation with platelet-rich and platelet-poor concentrates. Study on an ovine model of insertion of a tibial implant coated with silicon-doped diamond-like carbon Open
Introduction Macrophages are crucial immune cells that play a role in tissue repair and can exhibit pro- or anti-inflammatory behaviour based on environmental stimulation. Their functional phenotype can be affected by platelet-derived prod…
View article: Blood-derived products can moderate the activity of neutrophils isolated after biomaterial implantation in a sheep model
Blood-derived products can moderate the activity of neutrophils isolated after biomaterial implantation in a sheep model Open
Neutrophils play a pivotal role in both the inflammatory phase and subsequent repair processes, making their activity crucial after contact with biomaterials. Excessive neutrophil activation can lead to complications, including implant rej…
View article: In Vitro Influence of Neurokinin B, Dynorphin a, and Kisspeptin-10 on Gonadotropin Secretion by Anterior Pituitary Cells Isolated from Pubescent Ewes
In Vitro Influence of Neurokinin B, Dynorphin a, and Kisspeptin-10 on Gonadotropin Secretion by Anterior Pituitary Cells Isolated from Pubescent Ewes Open
View article: Szanse nauk o zwierzętach
Szanse nauk o zwierzętach Open
View article: Effect of gentle physical contact on behavioural indicators in sheep
Effect of gentle physical contact on behavioural indicators in sheep Open
The available literature provides ample evidence for the importance of gentle treatment and handling of farm animals for the establishment of relationships with humans. The present study is an attempt to verify the assumption that massage …
View article: Selected bacteria in sheep stool depending on breed and physiology state
Selected bacteria in sheep stool depending on breed and physiology state Open
One of the important factors influencing the microbial community of ruminants, besides environment or diet, are breed and physiology. Therefore, the purpose of this study was to assess these changes in the levels of basic microbial phyla a…
View article: Assessment of suitability and lipid quality indicators of lamb meat of Polish native breeds
Assessment of suitability and lipid quality indicators of lamb meat of Polish native breeds Open
The aim of our study was to evaluate the technological (pH, water holding capacity, cooking loss, oxidation-reduction potential, water activity, color parameters, and microbiological purity) and nutritional suitability of the meat of selec…
View article: Some Physiological Responses of Native Sheep Breeds to Environmental Conditions during Grazing in Natura 2000 Habitats
Some Physiological Responses of Native Sheep Breeds to Environmental Conditions during Grazing in Natura 2000 Habitats Open
The calcareous xerothermic grasslands of the Festuco-Brometea class are among the most endangered Natura 2000 sites in Europe. The greatest threats include a lack of grazing, secondary succession, and invasive alien and expansive native sp…
View article: Combined Effect of Acid Whey Addition and Ultrasonic Treatment on the Chemical and Microbiological Stability of Lamb Stuffing
Combined Effect of Acid Whey Addition and Ultrasonic Treatment on the Chemical and Microbiological Stability of Lamb Stuffing Open
The microbiological and chemical stability of stuffing is crucial in meat processing. Small ruminant (lamb) meat has many nutritional advantages (fatty acid composition and ratio, high biological value of protein, source of zinc, and selen…
View article: Phylogenetic analysis of small ruminant lentiviruses originating from naturally infected sheep and goats from Poland based on the long terminal repeat sequences
Phylogenetic analysis of small ruminant lentiviruses originating from naturally infected sheep and goats from Poland based on the long terminal repeat sequences Open
Introduction Previous gag and env sequence studies placed Polish small ruminant lentiviruses (SRLVs) isolated from sheep and goats in subtypes B1, B2, A1, A5, A12, A13, A16–A18, A23, A24 and A27. This study extended the genetic/phylogeneti…
View article: Prospects and Applications of Natural Blood-Derived Products in Regenerative Medicine
Prospects and Applications of Natural Blood-Derived Products in Regenerative Medicine Open
Currently, there are a number of therapeutic schemes used for the treatment of various types of musculoskeletal disorders. However, despite the use of new treatment options, therapeutic failure remains common due to impaired and delayed he…
View article: The Effect of Neutrophil-Derived Products on the Function of Leukocytes Obtained after Titanium Implantation in the Ovine Model
The Effect of Neutrophil-Derived Products on the Function of Leukocytes Obtained after Titanium Implantation in the Ovine Model Open
Titanium (Ti) is currently the most common biomaterial used for orthopedic implants; however, these implants may cause deleterious immune response. To investigate the possible mechanisms involved in excessive inflammation, we assessed the …
View article: Age-Related Changes in Acute Phase Reaction, Cortisol, and Haematological Parameters in Ewes in the Periparturient Period
Age-Related Changes in Acute Phase Reaction, Cortisol, and Haematological Parameters in Ewes in the Periparturient Period Open
A well-functioning immune system is the basis for protection against infectious and metabolic diseases, and a smooth return to homeostasis. The periparturient period is considered critical because major changes in the endocrine, behavioura…
View article: The Level of Selected Bacterial Phyla on the Skin Surface of Small Ruminants According to the Breed and Species
The Level of Selected Bacterial Phyla on the Skin Surface of Small Ruminants According to the Breed and Species Open
For decades, skin has been assigned the main role of an insulator of the inside of the body from the external environment, but it also plays a role in maintaining homeostasis. In this study, the level of selected bacterial phyla (Firmicute…
View article: Long-term Interactions of Circulating Neutrophils with Titanium Implants, the Role of Platelets in Regulation of Leukocyte Function
Long-term Interactions of Circulating Neutrophils with Titanium Implants, the Role of Platelets in Regulation of Leukocyte Function Open
Despite the fact that different biomaterials are widely used in many biomedical applications, they can still cause side effects. Therefore, our aim was to assess neutrophil activity during the inflammatory phase of the repair process and l…
View article: Effects of topical treatment of foot rot in sheep using ozonated olive ointment
Effects of topical treatment of foot rot in sheep using ozonated olive ointment Open
Introduction Foot rot in small ruminants is highly contagious, causes severe lameness, and impairs fertility and wool and meat production. It is usually treated with parenteral antibiotics, with attendant antibiotic resistance risk, and wi…
View article: Chemical composition and fatty acid content in lamb and adult sheep meat
Chemical composition and fatty acid content in lamb and adult sheep meat Open
The aim of the present study was to compare the chemical composition and fatty acid (FA) content of the muscle tissues of lambs and adult sheep bred for meat production. Throughout the research period, the animals were managed in a confine…
View article: Association of CAST gene polymorphism with carcass value and meat quality in two synthetic lines of sheep
Association of CAST gene polymorphism with carcass value and meat quality in two synthetic lines of sheep Open
View article: Occurrence of larvae of Metastrongyloidea in feaces of cats from southeastern Poland
Occurrence of larvae of Metastrongyloidea in feaces of cats from southeastern Poland Open
Faecal samples from 716 cats from Poland, were examined for lungworm larvae (Metastrongyloidea) by flotation, sedimentation and Baermann techniques between January 2016 and April 2019 year. In total, 1.1% (8/716; CI ± 95% 0.3-1.9) of cats …
View article: Risk factors associated with small-ruminant lentiviruses in sheepfold buildings
Risk factors associated with small-ruminant lentiviruses in sheepfold buildings Open
Special attention should be focused on airborne contamination associated with the technologies used in sheep breeding. Breeding technologies that limit airborne contamination in farm buildings should be employed. In developing programmes t…
View article: Porównanie właściwości fizykochemicznych mięsa jagniąt i cieląt rzeźnych
Porównanie właściwości fizykochemicznych mięsa jagniąt i cieląt rzeźnych Open
The objective of this study was to compare the physicochemical properties of musculus semimembranosus of lambs and calves from mass farming during postmortem ageing under vacuum. The research material consisted of 24 lambs aged between 120…
View article: Porównanie wartości rzeźnej tusz i jakości żywieniowej mięsa jagniąt i cieląt rzeźnych
Porównanie wartości rzeźnej tusz i jakości żywieniowej mięsa jagniąt i cieląt rzeźnych Open
View article: Prevalence of SRLV infections in various sheep breeds
Prevalence of SRLV infections in various sheep breeds Open
The aim of the study was to determine the prevalence of SRLV infection in sheep breeds farmed in mid-Eastern Poland. Out of 6,470 mother ewes kept in 98 nucleus flocks of various sizes, 2,924 belonging to 15 breeds and lines were selected …
View article: Occurrence of internal parasites in cattle in various management systems in South-East Poland
Occurrence of internal parasites in cattle in various management systems in South-East Poland Open
The changes in the cattle farming system in Poland observed in the last two decades and related to its evolution into massive scale, specialized farming may have an influence on the occurrence of parasitoses. The study was aimed at showing…
View article: Analysis of longevity in Suffolk sheep in the Czech Republic
Analysis of longevity in Suffolk sheep in the Czech Republic Open
The objectives of this study were to evaluate systematic factors that influence longevity and to estimate the heritability of functional longevity by survival analysis of Suffolk sheep in the Czech Republic. A total of 20,502 ewes from 137…
View article: Influence of diet supplementation with a coccidiostatic product containing ether oils of Origanum vulgare and Citrus spp. on the slaughter value of lambs
Influence of diet supplementation with a coccidiostatic product containing ether oils of Origanum vulgare and Citrus spp. on the slaughter value of lambs Open
The aim of the study was to evaluate the influence of preventive activities involving the use of a coccidiostatic product containing Origanum vulgare and Citrus spp. extracts on the slaughter value of lambs from a confined management syste…
View article: Dynamics of lamb coccidiosis in indoor management systems
Dynamics of lamb coccidiosis in indoor management systems Open
Invasions of protozoa belonging to the genus Eimeria are a global problem in sheep farming. The clinical course of eimeriosis occurs almost exclusively in lambs. In adult sheep coccydiosis often has an asymptomatic course which, however, i…