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12 results for “Przewalski's horse”
Fig. 3 in Gastrointestinal Parasite Community In A New Population Of The Przewalski'S Horse (Equus Ferus Przewalskii) In The Orenburg State Reserve, Russia
Fig. 3. Distribution of strongylid species from the Przewalski's horses in Pre-Urals Steppe, Orenburg State Reserve, on ten prevalence classes.
Fig. 2 in First reports of nasal and traumatic myiasis infection in endangered Przewalski's horses (Equus ferus przewalskii)
Fig. 2. Photographs of the third larval stage of Rhinoestrus purpureus-like collected from Przewalski's horse in the Kalamaili Nature Reserve, Xinjiang, China. A. Ventral view. (Scale bar: 3 mm.) B. Ventral view of the anterior part. (Scale bar: 1 mm.) C. Dorsal view. (Scale bar: 3 mm.) Box showing the opening of the spines. (Scar bar: 0.25 mm.) D. Posterior view. (Scale bar: 1 mm.)
Figure 2 in Food patch particularity and forging strategy of reintroduced Przewalski's horse in North Xinjiang, China
Figure 2. Feed patches area and the corresponding feeding time unit area. Black bars represent each feed patch area in km2 while white bars represent the corresponding feeding time per unit area in min/km2.
Data from: Evaluating the reintroduction project of Przewalski's horse in China using genetic and pedigree data
Przewalski's horse went extinct in the wild in the mid 1960's. Starting in 1985, individuals were brought from western zoos to two centers in China and breeding programs were initiated. With the increasing size of captive populations, two reintroduction projects were launched in the northwestern China in 2001 and 2010. Knowledge on genetic diversity in China's horse populations is limited, but would help improve the genetic management and assess the success of the reintroduction. Accordingly, one reintroduced and two captive populations were examined with 10 microsatellite loci together with pedigree data. The results showed higher level of diversity within the captive populations than the reintroduced population, indicating some alleles may have been lost during reintroduction. Genetic differentiation was detected among populations (FST=0.09±0.05, RhoST=0.05±0.02) and Bayesian clustering supported the presence of three subpopulations. The highest genetic differentiation was observed between the captive and reintroduced populations, and inbreeding coefficients were generally higher in the reintroduced population. Temporal estimates of both pedigree and microsatellite data showed a high, but decreasing level inbreeding. Through simulations, we estimated that the reintroduced population needs more than 100 individuals to retain approximately 90% of its current, already depauperate, genetic diversity. We have provided recommendations for the management program concerning introgressed genes from domestic horse and the number and origin of individuals for future reintroductions.
Data from: Ancient genomes revisit the ancestry of domestic and Przewalski's horses
The Eneolithic Botai culture of the Central Asian steppes provides the earliest archaeological evidence for horse husbandry, ~5500 years ago, but the exact nature of early horse domestication remains controversial. We generated 42 ancient-horse genomes, including 20 from Botai. Compared to 46 published ancient- and modern-horse genomes, our data indicate that Przewalski's horses are the feral descendants of horses herded at Botai and not truly wild horses. All domestic horses dated from ~4000 years ago to present only show ~2.7% of Botai-related ancestry. This indicates that a massive genomic turnover underpins the expansion of the horse stock that gave rise to modern domesticates, which coincides with large-scale human population expansions during the Early Bronze Age.
Data from: Ancient genomes revisit the ancestry of domestic and Przewalski’s horses
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Data from: Stable isotopes reveal diet shift from pre-extinction to reintroduced Przewalski’s horses
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Data from: Evaluating the reintroduction project of Przewalski’s horse in China using genetic and pedigree data
Open the record for dataset details and reuse information.
Fig. 2 in Gastrointestinal Parasite Community In A New Population Of The Przewalski'S Horse (Equus Ferus Przewalskii) In The Orenburg State Reserve, Russia
Fig. 2. Nematodes from the family Strongylidae found in Przewalski's horses in Pre-Urals Steppe, the Orenburg State Reserve. A b b r e v i a t i o n s: TSE — Triodontophorus serratus, SVU— Strongylus vulgaris, CAT — Cyathostomum catinatum, PAT — Cya. pateratum, LON — Cylicostephanus longibursatus, MIN — Cyl. minutus, CAL — Cyl. calicatus, GOL — Cyl. goldi, NAS — Cylicocyclus nassatus, LEP — Cy. leptostomus, INS — Cy. insigne, ASH — Cy. ashworthi, ELO — Cy. elongatus, COR — Coronocyclus coronatus, LBR — Cor. labratus, LAB — Cor. labiatus, BIC — Cylicodontophorus bicoronatus, POC — Petrovinema poculatum.
Fig. 1 in Gastrointestinal Parasite Community In A New Population Of The Przewalski'S Horse (Equus Ferus Przewalskii) In The Orenburg State Reserve, Russia
Fig. 1. Dynamics of the average strongyle egg count in the Przewalski's horses in Pre-Urals Steppe, the Orenburg State Reserve, Russia, before and following treatment.
Fig. 1 in First reports of nasal and traumatic myiasis infection in endangered Przewalski's horses (Equus ferus przewalskii)
Fig. 1. Photographs of the third larval stage of Wohlfahrtia magnifica (Schiner) in an injured Przewalski's horse in Xinjiang Research Centre for Breeding Przewalski's Horse, Xinjiang, China. A. The wound on the left stifle of the horse, restrained with rope. B. Wound after cleaning showing a cluster of larvae in situ. C. Lateral view. (Scale bar: 2 mm.) D. Ventral view of the anterior part. (Scale bar: 0.5 mm.) E. Ventral view. (Scale bar: 2 mm.) F. Posterior view. (Scale bar: 1 mm.)
Figure 1 in Food patch particularity and forging strategy of reintroduced Przewalski's horse in North Xinjiang, China
Figure 1. Study area.
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