Hematology and serum biochemistry parameters of captive Chinese alligators ( Alligator sinensis ) during the active and hibernating periods

Peng, Fei; Chen, Xianxian; Meng, Ting; Li, En; Zhou, Yongkang; Zhang, Shengzhou

doi:10.1016/j.tice.2018.02.002

Cited by 28 publications

(23 citation statements)

References 34 publications

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“…In addition, Koza and collaborators' results are closer to the minimum value reported in our study, which was 5.66 g/dL. The value of this parameter in Alligator sinensis (Peng et al, 2018), varied in 1.89 g/dL for males and 1.84 g/dL for females, very low in comparison with that found in the specimens of our study. Table 1 shows the maximum value obtained in the present study.…”

Section: Discussionsupporting

confidence: 81%

“…Comparing the values between of Caiman crocodilus fuscus males and females for hematocrit value, not statistical differences were found between them (p ≥ 0.05), as shown in Table 3. With respect to the data reported by Peng et al (2018) for this parameter, the average result of Caiman crocodilus fuscus was lower than in Alligator sinensis; both are of the same order, however, the average values of Alligator hematocrit was 28 %, which is the same as the maximum result of our study for males and females (Table 3). This was due to the difference between species; also, their reptiles were in the eastern territory of China, where the climatic conditions are different from those that are found in our Andean region (Peng et al, 2018).…”

Section: Discussionsupporting

confidence: 77%

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Determination of Hematological Values of Common Crocodile (Caiman Crocodilus fuscus) in Captivity in the Magdalena medio of Colombia

et al. 2020

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Caiman zoo breeding (Caiman crocodilus fuscus) has been developing with greater force in Colombia since the 90s. It is essential to evaluate the physiological ranges of the species to be able to assess those situations in which their health is threatened. The objective of the present study was to determine the typical hematological values of the Caiman (Caiman crocodilus fuscus) with the aid of the microhematocrit, the cyanmethemoglobin technique, and a hematological analyzer. The blood samples were taken from 120 young animals of both sexes in good health apparently (males 44 and females 76). The samples were taken from the coccygeal vein between the second and third interscalar space with lilac lid vacutainer tube whit acid ethylene-diamine-tetra-acetic as an anticoagulant. The animals are located in the middle of the Magdalena area in Colombia. The results obtained on average were Hematocrit: 23.36 %, Hemoglobin: 7.78 g/dl, Red blood cells: 3.89 106/μL, Average corpuscular volume: 60 fl, Average corpuscular hemoglobin concentration: 33.33 g/dl and Average corpuscular hemoglobin: 73.9 pg. This is the first study of hematological values for this particular species in Colombia.

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Section: Discussionsupporting

confidence: 81%

Section: Discussionsupporting

confidence: 77%

Determination of Hematological Values of Common Crocodile (Caiman Crocodilus fuscus) in Captivity in the Magdalena medio of Colombia

et al. 2020

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“…They also help in mobilizing the defence system of the host organisms by signalling molecules, attracting immune cells and also stimulating the adaptive response to help improve immunity in aquatic organisms (Brown & Hancock, ). Protein levels, electrolytes and enzyme activities are some serum biochemical characteristics that are important in assessing animal health and also provide vital information on the nutritional status and health of the animal (Peng et al, ). The activities of ACP and AKP are responsible for hydrolysing organic phosphate in aquatic organisms.…”

Section: Discussionmentioning

confidence: 99%

Effects of antimicrobial peptides on growth, feed utilization, serum biochemical indices and disease resistance of juvenile shrimp,Litopenaeus vannamei

et al. 2020

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This experiment was conducted to assess the effects of antimicrobial peptides at different levels (Diet 1 (0%), Diet 2 (0.1%), Diet 3 (0.2%), Diet 4 (0.4%), Diet 5 (0.6%) and Diet 6 (1%)), on growth, serum biochemical indices and antioxidant effect, feed utilization and disease resistance in Litopeneaus vannamei. There were four replicates in each group in the experiment (mean weight = 0.21 ± 0.00 g) and also fed with their respective diets for 8 weeks. Growth performance compared with the control group (0%) significantly increased at first and then decreased among treatment groups (p < .05) whereas the survival rate ranged from 78% to 96%. No significant differences were observed in terms of moisture, crude protein and ash content, but there was a significant increase in crude lipid (p < .05). In serum, acid phosphatase, alkaline phosphatase, polyphenol oxidase, triglyceride, glucose and total cholesterol changed as compared with 0%. Total antioxidant capacity, glutathione peroxidase, catalase, superoxide dismutase and malondialdehyde were also different from 0%. Disease resistance was increased in shrimp among treatment groups with 0.4% recording the lowest mortality percentage of 37% after the challenge test. The results from the present study suggested that supplementation of AMP at 0.4% in shrimp diet can improve growth performance, antioxidants activities and innate immune response of Pacific whiteleg shrimp.

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“…Previous studies have also reported that lizards ( Lacerta vivipara ) and gecko ( Phyllodactylus marmoratus ) could survive by storing fat during hibernation (Avery, 1970; Daniels, 1984). Our team conducted a comparative study on the blood of Chinese alligator during hibernation and active phase and found that the blood triglyceride and cholesterol content in hibernation period was significantly reduced (Peng et al, 2018). In the study of white adipose tissue of Pygmy lemur, PLPP1 , APOC2 , FASN , and ELOVL involved in lipid decomposition were upregulated, and PDHA1 , PDHB , DLAT , and DLD involved in carbohydrate decomposition were downregulated (Faherty et al, 2018).…”

Section: Discussionmentioning

confidence: 99%

“…Good hibernation quality is helpful to reduce the hibernating mortality of Chinese alligators and improve the reproduction rate in the coming year (Chen et al, 2003; Sun et al, 2019; Zhang et al, 2016). Our team conducted a detailed comparative study on the blood of Chinese alligators during hibernation and active phase, and found that the red blood cells, white blood cells, cholesterol, and triglycerides in the blood during hibernation were significantly reduced, and the mean corpuscular volume and the mean corpuscular hemoglobin were significant increase (Peng et al, 2018). This study found that the weight of Chinese alligators decreased significantly during hibernation.…”

Section: Introductionmentioning

confidence: 99%

Molecular mechanism of Chinese alligator (Alligator sinensis) adapting to hibernation

et al. 2020

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Hibernation is a physiological state for Chinese alligators to cope with cold weather. In mammals, gene expression changes during hibernation and their regulatory mechanisms have been extensively studied, however, these studies in reptiles are still rare. Here, integrated analysis of messenger RNA (mRNA), microRNA (miRNA), and long noncoding RNA (lncRNA) reveals the molecular mechanisms of the hypothalamus, liver, and skeletal muscle in hibernating and active individuals. During hibernation, the number of genes increased in the hypothalamus, liver, and skeletal muscle was 585, 282, and 297, while the number of genes decreased was 215, 561, and 627, respectively, as compared with active individuals. Through Gene Ontology and Kyoto Encyclopedia of Genes and Genomes enrichment analysis, the differential expressed genes were mainly enriched in DNA damage repair, biological rhythm, energy metabolism, myoprotein degradation, and other related items and pathways. Besides, 4740 miRNAs were identified in three tissues. Through the comprehensive analysis of miRNA and mRNA abundance profiles, 12,291, 6997, and 8232 miRNA–mRNA pairs all showed a negative correlation in the hypothalamus, liver, and skeletal muscle, respectively. Some miRNA target genes were related tobiological rhythm and energy metabolism, suggesting that miRNA may play an important role in the physiological metabolism of the hibernating adaptability of Chinese alligators. Moreover, 402, 230, and 130 differentially expressed lncRNAs were identified in the hypothalamus, liver, and skeletal muscle, respectively. The targeting relationship of four lncRNA–mRNA pairs were predicted, with the main function of target genes involved in the amino acid transportation. These results are helpful to further understand the molecular regulatory basis of the hibernation adaptation in Chinese alligators.

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Hematology and serum biochemistry parameters of captive Chinese alligators ( Alligator sinensis ) during the active and hibernating periods

Cited by 28 publications

References 34 publications

Determination of Hematological Values of Common Crocodile (Caiman Crocodilus fuscus) in Captivity in the Magdalena medio of Colombia

Determination of Hematological Values of Common Crocodile (Caiman Crocodilus fuscus) in Captivity in the Magdalena medio of Colombia

Effects of antimicrobial peptides on growth, feed utilization, serum biochemical indices and disease resistance of juvenile shrimp,Litopenaeus vannamei

Molecular mechanism of Chinese alligator (Alligator sinensis) adapting to hibernation

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