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在粗放和集约生产系统下建立单峰驼(Camelus dromedarius)的生化和血液学特征。

Establishment of biochemical and hematological profiles of dromedary camel (Camelus dromedarius) under extensive and intensive production systems.

机构信息

Laboratoire de Biomathématiques, Biophysique, Biochimie Et Scientométrie, Faculté Des Sciences de La Nature Et de La Vie, Université de Bejaia, 06000, Bejaia, Algeria.

LEAF-Linking Landscape, Environment, Agriculture and Food Research Center, Associated Laboratory TERRA, Instituto Superior de Agronomia, Universidade de Lisboa, Tapada da Ajuda, 1349-017, Lisbon, Portugal.

出版信息

Trop Anim Health Prod. 2023 Dec 22;56(1):25. doi: 10.1007/s11250-023-03795-x.

Abstract

In Algeria, camel husbandry is undergoing a shift from a traditional extensive system to one more intensive. Such a move in the production system of the dromedary camel should be well investigated in terms of animal welfare, health, and production status. The main objective of this study was to define and evaluate the effects of production systems on physiological responses (hematological and biochemical parameters) in Sahraoui dromedary camels to understand possible changes caused by intensive livestock farming. We analyzed the biochemical and hematological blood profiles in Sahraoui dromedary camel to evaluate and establish the differential responses to intensive conditions. Blood samples were taken from 41 healthy Sahraoui dromedary camels as part of routine veterinary analysis in southern Algeria. In total, 28 camels were from an intensive production system (IS) fed with formulated concentrate and a supply of minerals, and 13 camels were reared in a traditional extensive system (ES) maintained exclusively on grazing. Animals were of a different sex: 16 males and 25 females, and they were divided into three age categories: less than 4 years, 4 to 8, and above 8 years. All animals were healthy. This enabled us to simultaneously check the effect of age and sex on the blood profiles. Results showed that the production system affected the blood parameters of Sahraoui dromedary camel; as total protein, total cholesterol, and urea concentration were significantly higher in the plasma of animals in the intensive production system (P < 0.05). Glucose, triglycerides, and urea values differed significantly (P < 0.05) in camel plasma between age categories. Sex in our study had no effect on enzyme activities (P > 0.05). However, lactate dehydrogenase (LDH) was significantly higher (P < 0.05) in camels reared in the extensive production system (1454.13 ± 290 IU/l) than those reared in intensive production system (1313.17 ± 32 IU/l). Age and sex had a marginal effect on mineral status in dromedary camel plasma as only iron concentrations were significantly higher in male camels (P < 0.05), while Ca, P, and K concentrations were increased in the intensive system. On the other hand, our findings showed that sex, age, and production system did not affect the hematological parameters of Sahraoui dromedary (P > 0.05), except for hematocrit (PCV %) that was significantly higher in the extensive system. This work contributes to a better understanding of Sahraoui dromedary camel biology regarding the effect of different production systems on hemato-biochemical parameters.

摘要

在阿尔及利亚,骆驼养殖正从传统的粗放型系统向更集约型系统转变。这种在单峰驼生产系统中的转变应从动物福利、健康和生产状况等方面进行深入研究。本研究的主要目的是确定和评估生产系统对撒哈拉骆驼生理反应(血液学和生化参数)的影响,以了解集约化养殖可能带来的变化。我们分析了撒哈拉骆驼的血液生化和血液学特征,以评估和建立对集约化条件的差异反应。从南部阿尔及利亚的常规兽医分析中抽取了 41 头健康的撒哈拉骆驼的血液样本。共有 28 头骆驼来自集约化生产系统(IS),饲喂配方浓缩饲料和矿物质供应,13 头骆驼在传统的粗放系统(ES)中饲养,完全靠放牧。动物的性别不同:16 只雄性和 25 只雌性,分为三个年龄组:不到 4 岁、4 至 8 岁和 8 岁以上。所有动物都很健康。这使我们能够同时检查年龄和性别对血液特征的影响。结果表明,生产系统影响撒哈拉骆驼的血液参数;集约化生产系统中动物血浆中的总蛋白、总胆固醇和尿素浓度显著升高(P<0.05)。骆驼血浆中的葡萄糖、甘油三酯和尿素值在不同年龄组之间差异显著(P<0.05)。在我们的研究中,性别对酶活性没有影响(P>0.05)。然而,在传统生产系统中饲养的骆驼(1454.13±290IU/L)的乳酸脱氢酶(LDH)显著高于集约化生产系统中饲养的骆驼(1313.17±32IU/L)(P<0.05)。年龄和性别对骆驼血浆中的矿物质状况有轻微影响,因为只有雄性骆驼的铁浓度显著升高(P<0.05),而钙、磷和钾浓度在集约化系统中升高。另一方面,我们的研究结果表明,性别、年龄和生产系统对撒哈拉骆驼的血液学参数没有影响(P>0.05),除了红细胞压积(PCV%)在传统系统中显著升高。这项工作有助于更好地了解撒哈拉骆驼生物学,了解不同生产系统对血液生化参数的影响。

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