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Molekularno određivanje Leptospira spp. u uličnim psima i psima iz skloništa u kolumbijskoj Regiji kave 在哥伦比亚咖啡区的街道犬和家犬中进行钩端螺旋体属的分子检测
Q3 Veterinary Pub Date : 2024-02-13 DOI: 10.46419/vs.55.5.2
Lyda C. Caballero Méndez, Luisa María González Londoño, Julio Cesar Gómez Ruíz, María José Escobar Herrera, Margarita María Mazo, Luz Natalia Franco-Montoya
Leptospirosis is considered a zoonotic disease with a substantial impact on animal and human health. It is distributed in tropical and subtropical climates, which improves the survival of these bacteria for a long time, affecting domestic and wild animals that act as a reservoir. Canine leptospirosis has obtained great clinical relevance, due to the susceptibility of this species to infection and the frequent exposure to leptospirosis from the environment. Canines from the street and animal shelters constitute a high-risk population due to the proximity to sources of infection. This paper describes a cross-sectional study that involves sampling dogs from shelters located in the departments of Risaralda, Valle del Cauca, and Caldas, known as the Coffee Region, located in the centre-west of Colombia. Blood samples were taken from 140 canines and analysed in the laboratory of the Veterinary Medicine and Animal Science, Technological University of Pereira. DNA was extracted, and the LipL32 gene was amplified by conventional PCR. A 15% prevalence for Leptospira sp. was found in dogs from the Coffee region. No correlation was found between the variables such as sex, age, origin, and socioeconomic status. However, a tendency for infection was observed with several cases of diagnosis in female dogs older than six years in low strata. This study constitutes the first report of canine leptospirosis in this region of Colombia, which will allow the design of strategies aiming to mitigate the disease in this region.
钩端螺旋体病被认为是一种对动物和人类健康有重大影响的人畜共患疾病。钩端螺旋体病分布在热带和亚热带气候中,这使得这些细菌能够长期存活,并影响作为贮存库的家畜和野生动物。犬类钩端螺旋体病在临床上具有重要意义,这是因为犬类对感染很敏感,而且经常从环境中接触到钩端螺旋体病。来自街头和动物收容所的犬类因靠近传染源而成为高危人群。本文介绍了一项横断面研究,该研究从位于哥伦比亚中西部的里萨拉尔达省、考卡山谷省和卡尔达斯省(被称为咖啡区)的收容所采集犬只样本。从 140 只犬身上采集了血液样本,并在佩雷拉技术大学兽医和动物科学实验室进行了分析。提取 DNA 并通过常规 PCR 扩增 LipL32 基因。结果发现,咖啡地区犬只的钩端螺旋体感染率为 15%。性别、年龄、籍贯和社会经济状况等变量之间没有相关性。然而,在低阶层中,6 岁以上的雌性犬被诊断出感染的几例病例中发现了感染趋势。这项研究是哥伦比亚该地区犬钩端螺旋体病的首次报告,有助于制定旨在缓解该地区疾病的战略。
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引用次数: 0
Molekularno određivanje Leptospira spp. u uličnim psima i psima iz skloništa u kolumbijskoj Regiji kave 在哥伦比亚咖啡区的街道犬和家犬中进行钩端螺旋体属的分子检测
Q3 Veterinary Pub Date : 2024-02-13 DOI: 10.46419/vs.55.5.2
Lyda C. Caballero Méndez, Luisa María González Londoño, Julio Cesar Gómez Ruíz, María José Escobar Herrera, Margarita María Mazo, Luz Natalia Franco-Montoya
Leptospirosis is considered a zoonotic disease with a substantial impact on animal and human health. It is distributed in tropical and subtropical climates, which improves the survival of these bacteria for a long time, affecting domestic and wild animals that act as a reservoir. Canine leptospirosis has obtained great clinical relevance, due to the susceptibility of this species to infection and the frequent exposure to leptospirosis from the environment. Canines from the street and animal shelters constitute a high-risk population due to the proximity to sources of infection. This paper describes a cross-sectional study that involves sampling dogs from shelters located in the departments of Risaralda, Valle del Cauca, and Caldas, known as the Coffee Region, located in the centre-west of Colombia. Blood samples were taken from 140 canines and analysed in the laboratory of the Veterinary Medicine and Animal Science, Technological University of Pereira. DNA was extracted, and the LipL32 gene was amplified by conventional PCR. A 15% prevalence for Leptospira sp. was found in dogs from the Coffee region. No correlation was found between the variables such as sex, age, origin, and socioeconomic status. However, a tendency for infection was observed with several cases of diagnosis in female dogs older than six years in low strata. This study constitutes the first report of canine leptospirosis in this region of Colombia, which will allow the design of strategies aiming to mitigate the disease in this region.
钩端螺旋体病被认为是一种对动物和人类健康有重大影响的人畜共患疾病。钩端螺旋体病分布在热带和亚热带气候中,这使得这些细菌能够长期存活,并影响作为贮存库的家畜和野生动物。犬类钩端螺旋体病在临床上具有重要意义,这是因为犬类对感染很敏感,而且经常从环境中接触到钩端螺旋体病。来自街头和动物收容所的犬类因靠近传染源而成为高危人群。本文介绍了一项横断面研究,该研究从位于哥伦比亚中西部的里萨拉尔达省、考卡山谷省和卡尔达斯省(被称为咖啡区)的收容所采集犬只样本。从 140 只犬身上采集了血液样本,并在佩雷拉技术大学兽医和动物科学实验室进行了分析。提取 DNA 并通过常规 PCR 扩增 LipL32 基因。结果发现,咖啡地区犬只的钩端螺旋体感染率为 15%。性别、年龄、籍贯和社会经济状况等变量之间没有相关性。不过,在低阶层中,6 岁以上的雌性犬被确诊为感染的几率较大。这项研究是哥伦比亚该地区犬钩端螺旋体病的首次报告,有助于制定旨在缓解该地区疾病的战略。
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引用次数: 0
Development of a bovine liver biopsy training model 开发牛肝活检训练模型
Q3 Veterinary Pub Date : 2024-02-13 DOI: 10.46419/vs.55.5.9
Filipe Silva, Isabel Pires
In veterinary medicine, liver biopsy is a standard diagnostic procedure for studying liver disease in animal species, including cows. Some common indications for liver biopsy in cattle include clinical signs of liver disease (e.g., anorexia, jaundice, lethargy), unexplained weight loss, and monitoring of health and nutritional status. This technique comes with certain risks, such as haemorrhage, infections, and lesions of other organs, so it shouldonly be carried out by a trained and experienced veterinarian. The Clinical Skills Laboratory is a structured teaching laboratory that provides hands-on experience to veterinary medicine students in a safe, controlled environment. The laboratory focuses on developing practical competencies in various veterinary procedures. This paper presents the development of a model for performing liver biopsy in cattle and discusses the importance of the skills lab in veterinary medicine learning. This model enables students to learn how to perform a liver biopsy in cattle and the basic rules of sampling and fixation of the specimen for histopathological examination. It is accompanied by detailed work instructions and illustrations to assist the student in performing the procedure. This kind of laboratory is indispensable in veterinary medical training, as it helps students strengthen their skills and confidence, preparing them for a successful career in veterinary medicine. In addition, it allows for the execution of techniques that would not be practised on a live animal during classes.
在兽医学中,肝脏活检是研究包括奶牛在内的动物肝脏疾病的标准诊断程序。对牛进行肝活检的一些常见适应症包括肝病的临床症状(如厌食、黄疸、嗜睡)、不明原因的体重减轻以及监测健康和营养状况。这种技术有一定的风险,如出血、感染和其他器官的病变,因此只能由训练有素、经验丰富的兽医进行。临床技能实验室是一个结构化的教学实验室,在安全、可控的环境中为兽医专业学生提供实践经验。实验室的重点是培养学生在各种兽医程序中的实践能力。本文介绍了牛肝活检模型的开发,并讨论了技能实验室在兽医学习中的重要性。该模型使学生能够学习如何进行牛肝活检,以及取样和固定标本进行组织病理学检查的基本规则。该模型附有详细的操作说明和图解,可帮助学生完成操作过程。这种实验室在兽医培训中是不可或缺的,因为它能帮助学生增强技能和信心,为他们在兽医领域的成功就业做好准备。此外,这种实验室还可以让学生在课堂上学习无法在活体动物身上练习的技术。
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引用次数: 0
Referentne vrijednosti za odabrane hematološke i biokemijske parametre u pelagonijske pramenka ovce 绵羊品种的部分血液学和生化参数参考值
Q3 Veterinary Pub Date : 2024-02-13 DOI: 10.46419/vs.55.5.4
Petar Dodovski, Talija Hristovska, Natasa Pejcinovska, P. Dameski, Nikola Karabolovski, Mimi Ristevski
The Ovcepolian type of Pramenka sheep is most prevalent in Pelagonia region. It is considered a valuable source of genetic diversity, characterised with a number of beneficial traits. Haematology and biochemistry measurements is important for health assessment of animals. The aim of this study was to determine the reference ranges for selected haematology and biochemistry parameters in the Pelagonian Pramenka sheep breed. The study was carried out on 55 clinically healthy, non-pregnant sheep, 1 to 3 years old, during spring season, from three different locations in the Pelagonia region, North Macedonia. Blood samples were collected from the jugular vein into vacuum tubes with an anticoagulant for haematological analysis and vacuum tubes free of anticoagulant for biochemical analysis. Reference values may be more adequate as it is later, for biochemistry parameters. Reference values for hematology parameters were: leukocytes, lymphocytes, midsize cells, cells correlating to monocytes, eosinophils, basophils, blasts and other precursor white cells, granulocytes, haemoglobin, haematocrit, erythrocytes, erythrocyte indices (average volume per litre, average haemoglobin in erythrocytes, average haemoglobin concentration per litre, and platelets). Reference values for biochemistry parameters were: total proteins, albumins, total bilirubin, total cholesterol, creatinine, glucose, HDL-cholesterol LDL-cholesterol, triglycerides, urea, aspartate aminotransferase, alanine amino transferase, alkaline phosphatase, glutamyl transferase, lactate dehydrogenase, and the concentrations of calcium, magnesium and inorganic phosphate. Most obtained values were comparable to other strains of Pramenka sheep. There was a clear deviation of certain reference values compared to the literature. Further analysis should be conducted to determine the reference values in rams and lambs.
普拉门卡绵羊的 Ovcepolian 类型在佩拉哥尼亚地区最为普遍。它被认为是遗传多样性的宝贵来源,具有许多有益的特征。血液学和生物化学测量对动物的健康评估非常重要。本研究的目的是确定佩拉戈尼亚普拉门卡绵羊品种的部分血液学和生物化学参数的参考范围。研究在春季对 55 只临床健康、未怀孕的 1 至 3 岁绵羊进行,这些绵羊来自北马其顿佩拉哥尼亚地区的三个不同地点。从颈静脉采集的血液样本装入装有抗凝剂的真空管中进行血液学分析,并装入不含抗凝剂的真空管中进行生化分析。由于时间较晚,生化参数的参考值可能更充分。血液学参数的参考值为:白细胞、淋巴细胞、中型细胞、与单核细胞相关的细胞、嗜酸性粒细胞、嗜碱性粒细胞、胚芽和其他前体白细胞、粒细胞、血红蛋白、血细胞比容、红细胞、红细胞指数(每升平均体积、红细胞平均血红蛋白、每升平均血红蛋白浓度和血小板)。生化指标的参考值包括:总蛋白、白蛋白、总胆红素、总胆固醇、肌酐、葡萄糖、高密度脂蛋白胆固醇、低密度脂蛋白胆固醇、甘油三酯、尿素、天门冬氨酸氨基转移酶、丙氨酸氨基转移酶、碱性磷酸酶、谷氨酰转移酶、乳酸脱氢酶以及钙、镁和无机磷酸盐的浓度。获得的大多数数值与其他普拉门卡绵羊菌株相当。与文献相比,某些参考值存在明显偏差。应进行进一步分析,以确定公羊和羔羊的参考值。
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引用次数: 0
The influence of sunflower oil in meals on the blood mineral profile of dairy cows 膳食中的葵花籽油对奶牛血液中矿物质含量的影响
Q3 Veterinary Pub Date : 2024-02-13 DOI: 10.46419/vs.55.5.7
E. Šaljić, A. Hrković-Porobija, S. Šerić-Haračić, F. Tandir, Maja Varatanović, A. Ćutuk, B. Čengić
Minerals are essential substances with an important function in livestock, and their disbalance negatively affects the health and production, especially of ruminants. The addition of fat to the rations of dairy cows impacts the overall and mineral metabolism, and thus on health and production. The aim of the research was to examine the correlative relationships between balanced production meals and the mineral status of lactating cows with different ration compositions with or without the presence of vegetable oil. The research was conducted on 30 dairy cows of the Holstein breed at the Butmir farm, Sarajevo, Bosnia and Herzegovina. Three groups of 10 animals were formed based on productivity (A, 13-15 kg of milk/day, B, 19-21 kg of milk/day and C, 25-27 kg of milk/day). Samples of feed, blood plasma and milk of animals were collected on three occasions a 3-week intervals. According to the feed analysis results, the rations were standardized for each group, given for three weeks without oil,and then for three weeks with the addition of sunflower oil in the amount of 2.5% of the ration dry matter. After determining the content of basic nutrients, dry matter and ash in the rations, the concentrations of Ca, Mg, Na and K were determined by atomic absorption spectrophotometry,while the colorimetric method was used to analyse P according to Woy and Eggertz-Finkener. Analysis of blood mineral parameters was performed spectrophotometrically. The content of fat, proteins, lactose, and non-fat dry matter in milk samples was determined by infrared spectrometry using an automatic analyser. Based on the results, we observed a similarity in changes of values and the statistical significance of the differences in plasma Ca, P and Mg between the study groups and at sampling intervals. Milk production was positively correlated with the concentration of Mg and Ca with addition of the sunflower oil to the meal, while no correlation coefficient was established for P in any of the samplings. Balanced meals with and without the addition of oil did not significantly affect the content of Ca, P or Mg in the blood plasma of the tested animals, nor were significant differences found between the groups. However, by determining the correlations between milk parameters and blood biochemical parameters, a significant positive correlation was established between the amount of milk and Ca and Mg levels with a diet supplemented by oil. Given that the addition of sunflower oil in the amount of 2.5% of dry matter of the balanced rations for cows had no negative effects on the mineral profile and the parameters of the tested animals, we conclude that the introduction of this oil could be useful both from the economic point and improving nutritional composition of milk as an animal food present in the daily human diet.
矿物质是牲畜体内的必需物质,具有重要功能,其失衡会对牲畜的健康和生产造成负面影响,尤其是反刍动物。在奶牛日粮中添加脂肪会影响整体和矿物质代谢,从而影响健康和生产。这项研究的目的是探讨在添加或不添加植物油的不同日粮成分下,泌乳奶牛的平衡生产膳食与矿物质状况之间的相关关系。研究对象是波斯尼亚和黑塞哥维那萨拉热窝布特米尔农场的 30 头荷斯坦奶牛。根据生产率将 10 头奶牛分成三组(A 组,每天产奶 13-15 公斤;B 组,每天产奶 19-21 公斤;C 组,每天产奶 25-27 公斤)。每隔 3 周收集三次动物饲料、血浆和牛奶样本。根据饲料分析结果,对各组的日粮进行了标准化,在不添加葵花籽油的情况下饲喂三周,然后添加日粮干物质 2.5% 的葵花籽油饲喂三周。在确定了日粮中基本营养成分、干物质和灰分的含量后,用原子吸收分光光度法测定了 Ca、Mg、Na 和 K 的浓度,并根据 Woy 和 Eggertz-Finkener 的方法用比色法分析了 P 的含量。血液矿物质参数分析采用分光光度法。牛奶样本中的脂肪、蛋白质、乳糖和非脂干物质的含量是通过红外光谱自动分析仪测定的。根据结果,我们观察到各研究组之间和各采样间隔之间血浆中钙、磷和镁的数值变化相似,差异具有统计学意义。在膳食中添加葵花籽油后,牛奶产量与镁和钙的浓度呈正相关,而在任何采样中,钙和磷都没有相关系数。添加葵花籽油和不添加葵花籽油的平衡膳食对受试动物血浆中钙、磷或镁的含量没有显著影响,组间也没有发现明显差异。然而,通过测定牛奶参数与血液生化参数之间的相关性,发现添加油脂的日粮中牛奶量与钙、镁含量之间存在明显的正相关。鉴于在奶牛平衡日粮中添加干物质 2.5% 的葵花籽油对矿物质概况和受测动物的参数没有负面影响,我们得出结论,作为人类日常饮食中的一种动物食品,添加这种油从经济角度和改善牛奶的营养成分角度来看都是有益的。
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引用次数: 0
Development of a bovine liver biopsy training model 开发牛肝活检训练模型
Q3 Veterinary Pub Date : 2024-02-13 DOI: 10.46419/vs.55.5.9
Filipe Silva, Isabel Pires
In veterinary medicine, liver biopsy is a standard diagnostic procedure for studying liver disease in animal species, including cows. Some common indications for liver biopsy in cattle include clinical signs of liver disease (e.g., anorexia, jaundice, lethargy), unexplained weight loss, and monitoring of health and nutritional status. This technique comes with certain risks, such as haemorrhage, infections, and lesions of other organs, so it shouldonly be carried out by a trained and experienced veterinarian. The Clinical Skills Laboratory is a structured teaching laboratory that provides hands-on experience to veterinary medicine students in a safe, controlled environment. The laboratory focuses on developing practical competencies in various veterinary procedures. This paper presents the development of a model for performing liver biopsy in cattle and discusses the importance of the skills lab in veterinary medicine learning. This model enables students to learn how to perform a liver biopsy in cattle and the basic rules of sampling and fixation of the specimen for histopathological examination. It is accompanied by detailed work instructions and illustrations to assist the student in performing the procedure. This kind of laboratory is indispensable in veterinary medical training, as it helps students strengthen their skills and confidence, preparing them for a successful career in veterinary medicine. In addition, it allows for the execution of techniques that would not be practised on a live animal during classes.
在兽医学中,肝脏活检是研究包括奶牛在内的动物肝脏疾病的标准诊断程序。对牛进行肝活检的一些常见适应症包括肝病的临床症状(如厌食、黄疸、嗜睡)、不明原因的体重减轻以及监测健康和营养状况。这种技术有一定的风险,如出血、感染和其他器官的病变,因此只能由训练有素、经验丰富的兽医进行。临床技能实验室是一个结构化的教学实验室,在安全、可控的环境中为兽医专业学生提供实践经验。实验室的重点是培养学生在各种兽医程序中的实践能力。本文介绍了牛肝活检模型的开发,并讨论了技能实验室在兽医学习中的重要性。该模型使学生能够学习如何进行牛肝活检,以及取样和固定标本进行组织病理学检查的基本规则。该模型附有详细的操作说明和图解,可帮助学生完成操作过程。这种实验室在兽医培训中是不可或缺的,因为它能帮助学生增强技能和信心,为他们在兽医领域的成功就业做好准备。此外,这种实验室还可以让学生在课堂上学习无法在活体动物身上练习的技术。
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引用次数: 0
Referentne vrijednosti za odabrane hematološke i biokemijske parametre u pelagonijske pramenka ovce 绵羊品种的部分血液学和生化参数参考值
Q3 Veterinary Pub Date : 2024-02-13 DOI: 10.46419/vs.55.5.4
Petar Dodovski, Talija Hristovska, Natasa Pejcinovska, P. Dameski, Nikola Karabolovski, Mimi Ristevski
The Ovcepolian type of Pramenka sheep is most prevalent in Pelagonia region. It is considered a valuable source of genetic diversity, characterised with a number of beneficial traits. Haematology and biochemistry measurements is important for health assessment of animals. The aim of this study was to determine the reference ranges for selected haematology and biochemistry parameters in the Pelagonian Pramenka sheep breed. The study was carried out on 55 clinically healthy, non-pregnant sheep, 1 to 3 years old, during spring season, from three different locations in the Pelagonia region, North Macedonia. Blood samples were collected from the jugular vein into vacuum tubes with an anticoagulant for haematological analysis and vacuum tubes free of anticoagulant for biochemical analysis. Reference values may be more adequate as it is later, for biochemistry parameters. Reference values for hematology parameters were: leukocytes, lymphocytes, midsize cells, cells correlating to monocytes, eosinophils, basophils, blasts and other precursor white cells, granulocytes, haemoglobin, haematocrit, erythrocytes, erythrocyte indices (average volume per litre, average haemoglobin in erythrocytes, average haemoglobin concentration per litre, and platelets). Reference values for biochemistry parameters were: total proteins, albumins, total bilirubin, total cholesterol, creatinine, glucose, HDL-cholesterol LDL-cholesterol, triglycerides, urea, aspartate aminotransferase, alanine amino transferase, alkaline phosphatase, glutamyl transferase, lactate dehydrogenase, and the concentrations of calcium, magnesium and inorganic phosphate. Most obtained values were comparable to other strains of Pramenka sheep. There was a clear deviation of certain reference values compared to the literature. Further analysis should be conducted to determine the reference values in rams and lambs.
普拉门卡绵羊的 Ovcepolian 类型在佩拉哥尼亚地区最为普遍。它被认为是遗传多样性的宝贵来源,具有许多有益的特征。血液学和生物化学测量对动物的健康评估非常重要。本研究的目的是确定佩拉戈尼亚普拉门卡绵羊品种的部分血液学和生物化学参数的参考范围。研究在春季对 55 只临床健康、未怀孕的 1 至 3 岁绵羊进行,这些绵羊来自北马其顿佩拉哥尼亚地区的三个不同地点。从颈静脉采集的血液样本装入装有抗凝剂的真空管中进行血液学分析,并装入不含抗凝剂的真空管中进行生化分析。由于时间较晚,生化参数的参考值可能更充分。血液学参数的参考值为:白细胞、淋巴细胞、中型细胞、与单核细胞相关的细胞、嗜酸性粒细胞、嗜碱性粒细胞、胚芽和其他前体白细胞、粒细胞、血红蛋白、血细胞比容、红细胞、红细胞指数(每升平均体积、红细胞平均血红蛋白、每升平均血红蛋白浓度和血小板)。生化指标的参考值包括:总蛋白、白蛋白、总胆红素、总胆固醇、肌酐、葡萄糖、高密度脂蛋白胆固醇、低密度脂蛋白胆固醇、甘油三酯、尿素、天门冬氨酸氨基转移酶、丙氨酸氨基转移酶、碱性磷酸酶、谷氨酰转移酶、乳酸脱氢酶以及钙、镁和无机磷酸盐的浓度。获得的大多数数值与其他普拉门卡绵羊菌株相当。与文献相比,某些参考值存在明显偏差。应进行进一步分析,以确定公羊和羔羊的参考值。
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引用次数: 0
Genetic characterisation of the domestic cat population (Felis catus) in Valledupar – Cesar using coat markers 利用皮毛标记分析巴耶杜帕尔-塞萨尔地区家猫(Felis catus)种群的遗传特征
Q3 Veterinary Pub Date : 2024-02-13 DOI: 10.46419/vs.55.5.5
Enrique Pardo-Pérez, Teodora Cavadía-Martínez, Luis Causil-Vargas
The domestic cat (Felis catus) is a small carnivorous mammal belonging to the feline family. It is characterised by significant variability in terms of breeds, with females commonly smaller than males. Cats are one of the most popular pet species worldwide, though there is growing evidence that their large populations are having negative effects on the environment. Cats exhibit noticeable polymorphisms, particularly related to the colour, pattern, and texture of their coat, which can be easily recognised by visual inspection. This makes data collection a straightforward procedure. Cats are an ideal species for population studies because they are cosmopolitan animals and form a panmictic population. Genetic population analyses of cats are essential for understanding the history of their evolution and for developing phylogenetic hypotheses about allele relationships. However, despite the importance of these studies, global information availability is limited and, in some areas, completely absent. The aim of this study wasto determine the level of genetic diversity and structure in domestic cat populations using coat markers in Valledupar, Cesar. Random sampling was conducted between February and September 2022, and 365 adult animals were phenotypically identified in twelve neighbourhoods of the locality. The genes studied included Orange, Agouti, Dilution, Tabby, Long Hair, Siamese, Manx, Spotting White, and Dominant White. The Non-agoutimarker showed the highest frequency (0.740), while the Manx gene exhibited the lowest value. Most of the genetic diversity was found within populations and was limited between populations. Additionally, high gene flow, an excess of heterozygotes, and reduced genetic differentiation between populations were observed. The Spotting White locus showed a departure from Hardy-Weinberg equilibrium. Genetic distance between populations and the obtained dendrogram revealed low significant values, indicating that the populations as a whole are closely related.
家猫(Felis catus)是猫科的一种小型食肉哺乳动物。其特点是品种繁多,雌猫通常比雄猫小。猫是全球最受欢迎的宠物物种之一,但越来越多的证据表明,猫的大量繁殖对环境造成了负面影响。猫表现出明显的多态性,尤其是在毛色、花纹和质地方面,这很容易通过肉眼识别。这使得数据收集变得简单易行。猫是一种理想的种群研究物种,因为它们是世界性动物,可形成泛种群。猫的种群遗传分析对于了解猫的进化史和提出等位基因关系的系统发育假设至关重要。然而,尽管这些研究非常重要,但全球可用的信息却很有限,在某些地区甚至完全没有。本研究旨在利用毛皮标记确定塞萨尔巴耶杜帕尔地区家猫种群的遗传多样性和结构水平。研究在 2022 年 2 月至 9 月期间进行了随机取样,在当地的 12 个社区对 365 只成年猫进行了表型鉴定。研究的基因包括橙色、阿古提、稀释、虎斑、长毛、暹罗、曼克斯、斑点白和显性白。非阿古提基因的频率最高(0.740),而曼克斯基因的频率最低。大部分遗传多样性出现在种群内部,而在种群之间则很有限。此外,还观察到种群间基因流动频繁、杂合子过多和遗传分化减少。斑白基因座偏离了哈代-温伯格平衡。种群间的遗传距离和所获得的树枝图显示出较低的显著值,表明种群作为一个整体具有密切的亲缘关系。
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引用次数: 0
Utjecaj sezone parenja i stanja tijela na zootehničke parametre ouled djellal ovaca u polupustinjskim područjima 交配季节和身体状况对半普鲁斯提尼亚地区ouuled djellal ovaca动物技术参数的影响
Q3 Veterinary Pub Date : 2024-02-12 DOI: 10.46419/vs.55.5.10
Mourad Taherti, Nassima Ait Isad, Nora Mimoune
In this study, a database was created by monitoring 3000 Ouled Djellal ewes, belonging to ten breeding farms and representing two modes of reproduction management. The data collected make it possible to measure the reproductive performance of females and to determine the influence of non-genetic factors on different parameters. The Body Condition Score (BCS) was calculated to compare performance in relation with breeding conditions. The results showed that fertility and prolificacy accounted for 91.1±0.1% and 116.4±0.2% in the reproduction mode respectively based on one lambing/year with exclusive spring control, and of 53.5±0.2% and 101.2±0.1% respectively in the traditional lambing system spread overthe year (with the ram permanently present in the flock) (P<0.05). The BCS varied according to mating season and feeding system. Indeed, as the BCS at mating increased, fertility, prolificacy and productivity improved. Ewes whose BCS at mating was equal to or greater than 3 obtained the best performance, while those with a lower BCS were less fertile, less prolific, and less productive. The average productivity of Ouled Djellal sheep was 107.0±0.1%, and 54.8±0.3%, respectively, in the first and second mode of reproduction management (P<0.05). This study highlights the main sources of variations and their interactions.
在这项研究中,通过监测 3000 只 Ouled Djellal 母羊建立了一个数据库,这些母羊分属 10 个繁殖场,代表了两种繁殖管理模式。收集到的数据可用于测量母羊的繁殖性能,并确定非遗传因素对不同参数的影响。通过计算体况评分(BCS)来比较繁殖性能与繁殖条件的关系。结果表明,在繁殖模式中,繁殖力和多产性分别占91.1±0.1%和116.4±0.2%,繁殖模式以每年一次产羔为基础,春季完全控制,而在传统产羔系统中,繁殖力和多产性分别占53.5±0.2%和101.2±0.1%(P<0.05)。BCS随交配季节和饲喂系统的不同而变化。事实上,随着交配时 BCS 的增加,受胎率、多产性和生产率都有所提高。交配时 BCS 等于或大于 3 的母羊生产性能最好,而 BCS 较低的母羊繁殖力、多产性和生产性能都较差。在第一和第二种繁殖管理模式下,Ouled Djellal 羊的平均生产力分别为 107.0±0.1% 和 54.8±0.3%(P<0.05)。本研究强调了变异的主要来源及其相互作用。
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引用次数: 0
Utjecaj sezone parenja i stanja tijela na zootehničke parametre ouled djellal ovaca u polupustinjskim područjima 交配季节和身体状况对半普鲁斯提尼亚地区ouuled djellal ovaca动物技术参数的影响
Q3 Veterinary Pub Date : 2024-02-12 DOI: 10.46419/vs.55.5.10
Mourad Taherti, Nassima Ait Isad, Nora Mimoune
In this study, a database was created by monitoring 3000 Ouled Djellal ewes, belonging to ten breeding farms and representing two modes of reproduction management. The data collected make it possible to measure the reproductive performance of females and to determine the influence of non-genetic factors on different parameters. The Body Condition Score (BCS) was calculated to compare performance in relation with breeding conditions. The results showed that fertility and prolificacy accounted for 91.1±0.1% and 116.4±0.2% in the reproduction mode respectively based on one lambing/year with exclusive spring control, and of 53.5±0.2% and 101.2±0.1% respectively in the traditional lambing system spread overthe year (with the ram permanently present in the flock) (P<0.05). The BCS varied according to mating season and feeding system. Indeed, as the BCS at mating increased, fertility, prolificacy and productivity improved. Ewes whose BCS at mating was equal to or greater than 3 obtained the best performance, while those with a lower BCS were less fertile, less prolific, and less productive. The average productivity of Ouled Djellal sheep was 107.0±0.1%, and 54.8±0.3%, respectively, in the first and second mode of reproduction management (P<0.05). This study highlights the main sources of variations and their interactions.
在这项研究中,通过监测 3000 只 Ouled Djellal 母羊建立了一个数据库,这些母羊分属 10 个繁殖场,代表了两种繁殖管理模式。收集到的数据可用于测量母羊的繁殖性能,并确定非遗传因素对不同参数的影响。通过计算体况评分(BCS)来比较繁殖性能与繁殖条件的关系。结果表明,在繁殖模式中,繁殖力和多产性分别占91.1±0.1%和116.4±0.2%,繁殖模式以每年一次产羔为基础,春季完全控制,而在传统产羔系统中,繁殖力和多产性分别占53.5±0.2%和101.2±0.1%(P<0.05)。BCS随交配季节和饲喂系统的不同而变化。事实上,随着交配时 BCS 的增加,受胎率、多产性和生产率都有所提高。交配时 BCS 等于或大于 3 的母羊生产性能最好,而 BCS 较低的母羊繁殖力、多产性和生产性能都较差。在第一和第二种繁殖管理模式下,Ouled Djellal 羊的平均生产力分别为 107.0±0.1% 和 54.8±0.3%(P<0.05)。本研究强调了变异的主要来源及其相互作用。
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引用次数: 0
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Veterinarska stanica
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