scholarly journals Optimization of a Protocol for the Cryopreservation of Sperm in Pellets for the Common Pheasant (Phasianus colchicus mongolicus)

Animals ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 2472
Author(s):  
Annelisse Castillo ◽  
Carla Lenzi ◽  
Andrea Pirone ◽  
Alessandro Baglini ◽  
Silvia Cerolini ◽  
...  
Keyword(s):  
Avian Species ◽  
Freezing Process ◽  
Phasianus Colchicus ◽  
Equilibration Time ◽  
High Susceptibility ◽  
Thawing Process ◽  
Common Pheasant ◽  
The Common ◽  
Cryopreservation Protocol

The sperm of each avian species and breed have unique characteristics that render them more or less susceptible to the freezing–thawing process; therefore, a suitable cryopreservation protocol that is specific for the sperm of each type of bird is needed. In this context, little information about the common pheasant’s sperm is available. Therefore, the aim of this study was to test different parameters at each step of the process of freezing into pellets and thawing to detect the least deleterious parameter settings. Sixteen different protocols were tested by studying two levels in each of the four steps (dilution, equilibration at 5 °C, final dimethylacetamide concentration, and dimethylacetamide equilibration time) comprising the freezing process. The pheasant sperm exhibited a high susceptibility to the damage caused by freezing into pellets; however, the survival of the sperm reached 29%, and the greatest recovered mobility was 22%. The mobility of the sperm was affected by the dilution and the dimethylacetamide concentration, and the viability of the sperm was affected by the equilibration at 5 °C and the dimethylacetamide equilibration. The protocols that caused the least damage to the pheasant sperm were found to be those with higher dilution rates, 10 minutes of equilibration at 5 °C, and 6% dimethylacetamide equilibrated for 1 or 5 minutes. In the present study, we individualise some applicable parameters for certain critical steps of the freezing–thawing process; however, further investigations are needed in order to improve upon and complete a suitable protocol for the cryopreservation and thawing of pheasant sperm.

scholarly journals Influence of Pre-Sampling Handling Duration on Selected Biochemical Indices in the Common Pheasant (Phasianus colchicus)

2009 ◽  
Vol 78 (1) ◽  
pp. 23-28 ◽  
Author(s):  
Petr Chloupek ◽  
Eva Voslářová ◽  
Pavel Suchý ◽  
Iveta Bedáňová ◽  
Vladimíra Pištěková ◽  
...  
Keyword(s):  
Czech Republic ◽  
Glucose Concentration ◽  
Plasma Concentrations ◽  
Plasma Corticosterone ◽  
Phasianus Colchicus ◽  
Blood Samples ◽  
Common Pheasant ◽  
The Common ◽  
Glucose Plasma ◽  
Biochemical Indices

The effects of varying periods of pre-sampling handling (1.5 min, 3 min, 4.5 min, 6 min) on selected biochemical indices were monitored in a group of 8–9-month-old common pheasants (Phasianus colchicus) kept at a pheasantry in Jinačovice, Czech Republic. The duration of pheasant handling (capture, restraint, and blood sampling) was positively correlated with plasma corticosterone (p < 0.001) and lactate (p < 0.05) levels. Negative correlations were found between the handling duration and glucose concentration (p < 0.01), and aspartate aminotransferase level (p < 0.05) in the blood plasma. A significant increase in corticosterone plasma concentrations and a decrease in glucose plasma concentrations were already found in blood samples taken after 3 min of capture in comparison to blood samples of pheasants taken within 1.5 min.

scholarly journals Regionally divergent drivers of historical diversification in the late Quaternary in a widely distributed generalist species, the common pheasant Phasianus colchicus

2019 ◽  
Author(s):  
Simin Liu ◽  
Yang Liu ◽  
Edouard Jelen ◽  
Mansour Alibadian ◽  
Cheng-Te Yao ◽  
...  
Keyword(s):  
Central Asia ◽  
Demographic History ◽  
Central China ◽  
Phylogeographic Structure ◽  
Phasianus Colchicus ◽  
Widespread Species ◽  
South Central ◽  
Common Pheasant ◽  
The Common ◽  
Spatio Temporal

ABSTRACTAimHistorical factors such as Pleistocene climate cycles and associated environmental changes have influenced the phylogeographic structure and demographic dynamics of many species. Resulting patterns not only depend on species’ life-history but also vary regionally. Consequently, different populations of species with large ranges over different biomes might have experienced divergent drivers of diversification and show different population histories. Such a representative species is the common pheasant Phasianus colchicus, an ecological generalist with a wide distribution in the Palearctic and at the edge of the Oriental region. We aimed at identifying distinct phylogeographic lineages of the common pheasant and investigating their evolutionary trajectories.Study locationAsiaMethodsWe used coalescent approaches to describe the phylogeographic structure and to reconstruct the spatio-temporal diversification and demographic history of the common pheasant based on a comprehensive geographic sampling of 265 individuals genotyped at seven nuclear and two mitochondrial loci.ResultsThe common pheasant diversified during the late Pleistocene into eight distinct evolutionary lineages which only partly correspond to traditional morphological groups. It originated at the edge of the Qinghai-Tibetan plateau and spread from there to East and Central Asia. Only the widely distributed genetically uniform lowland lineage of East Asia showed a recent range and population expansion, starting during last glacial. More phylogeographic structure was found elsewhere with lineages showing no signs of recent range expansions. One lineage of subtropical south-central China this is the result of long-term isolation in a climatically stable and topographically complex region. In others from arid Central Asia and China, demographic and range expansions were impeded by repeated population fragmentation during dry glacial and recent aridification. Given such a phylogeographic structure and demographic scenarios among lineages, we proposed split the range-wide common pheasant into three species.Main conclusionsSpatio-temporal phylogeographic frameworks of widespread species complexes such as the common pheasant provide valuable opportunities to identify regionally divergent drivers of diversification.

Subspecies boundaries and recent evolution history of the common pheasant ( Phasianus colchicus ) across China

2017 ◽  
Vol 71 ◽  
pp. 155-162 ◽  
Author(s):  
Hongwei Qu ◽  
Jiangyong Qu ◽  
Yunhui Wang ◽  
Chenghua Guo ◽  
Boyang Shi ◽  
...  
Keyword(s):  
Phasianus Colchicus ◽  
History Of ◽  
Common Pheasant ◽  
The Common

scholarly journals Changes of haematological parameters in common pheasant throughout the year

2012 ◽  
Vol 51 (No. 1) ◽  
pp. 29-34 ◽  
Author(s):  
K. Hauptmanova ◽  
M. Maly ◽  
I. Literak
Keyword(s):  
Cell Volume ◽  
Packed Cell Volume ◽  
Haemoglobin Concentration ◽  
Reproductive Activity ◽  
Haematological Parameters ◽  
Phasianus Colchicus ◽  
Common Pheasant ◽  
Mean Corpuscular Haemoglobin ◽  
The Common ◽  
Corpuscular Haemoglobin Concentration

The haematological parameters of the common pheasant (Phasianus colchicus), the dynamics of changes in blood count parameters with regard to the season of the year and reproduction status, and the effects of sex and body condition on the haematological parameters of blood were studied. In total, 574 blood samples were collected. The samples were collected from pheasants from the age of 6 months, prior to the laying period, and after the laying period. Packed cell volume and haemoglobin concentration significantly increased in males during the period of growth and decreased during the period of reproductive activity. Significantly higher values were detected in males compared to females in erythrocyte count, packed cell volume, haemoglobin concentration and in mean corpuscular haemoglobin concentration. A statistically significant positive relationship was detected between weight and the values of most of the parameters related to red blood cells.

scholarly journals Realised response to short-term selection of the common pheasant (<i>Phasianus colchicus</i>) selected for seven-week body weight

2013 ◽  
Vol 56 (1) ◽  
pp. 675-683
Author(s):  
D. Zapletal ◽  
E. Straková ◽  
P. Suchý
Keyword(s):  
Body Weight ◽  
Phasianus Colchicus ◽  
Selection Line ◽  
Control Line ◽  
Founder Population ◽  
Absolute Increase ◽  
Term Selection ◽  
Common Pheasant ◽  
The Common ◽  
Selection Of

Abstract. The aim of this study was to evaluate the effect of the directed positive selection of the common pheasant for a higher seven-week body weight (BW) relative to their gender on the realised response to the selection and adult (40-week) BW after four generations of selection. The founder population was not selected before for any traits. For the selection in generation one of the experiment, a total of 2 080 pheasant chicks were used to establish a selection line (SL). In the same year, a total of 400 pheasant chicks were randomly selected as a control line (CL). Within the SL, chicks from individual hatches were selected by sex, always based on live BW at the age of 49 days. The targeted selection was carried out for four generations. In all generations it was found a higher seven-week BW in males compared to females (P<0.01). In generations two, three and four, the BW of the SL in both sexes was always higher in comparison with the CL (P<0.01). The genetic improvement of the seven-week BW was 15.0, 6.4 and 10.1 g in generation two, three and four, respectively. In the last generation, the increase in the seven-week BW of the SL compared to the CL was higher in females than in males (8.00 and 6.66 %, respectively). The realised heritability for the seven-week BW was 0.19. The selection at the age of seven weeks also caused an absolute increase in BW of adult pheasants at the age of 40-weeks.

Phylogeography of the Common Pheasant Phasianus colchicus

Ibis ◽  
2017 ◽  
Vol 159 (2) ◽  
pp. 430-442 ◽  
Author(s):  
Nasrin Kayvanfar ◽  
Mansour Aliabadian ◽  
Xiaoju Niu ◽  
Zhengwang Zhang ◽  
Yang Liu
Keyword(s):  
Phasianus Colchicus ◽  
Common Pheasant ◽  
The Common
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