Publications

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experiments on the transmission of babesia major and babesia bigemina by haemaphysalis punctata.experiments on the transmission by haemaphysalis punctata of three large babesia strains were carried out. three babesia-free batches of laboratory reared h. punctata ticks were infected with two strains of babesia major, b. major (xingjiang strain), isolated with adult ticks of h punctata and b. major (henan strain), isolated with h. longicornis) and a strain of babesia bigemina by feeding them on the calves infected by inoculation of blood stabilates. h. punctata was shown to be capable of tra ...19969011018
epidemiological, clinical and serological studies on trichinellosis in henan province, china.the epidemiological, clinical and serological studies on human trichinellosis in henan province were carried out from january 1992 to december 1996. the results showed that 467 patients attending our department came from 12 administrative areas and cities of the province and they acquired the infection mainly by eating undercooked dumplings, tasting the raw pork filling for dumplings, ingesting scalded pork or mutton. there was the high incidence season of trichinellosis during the winter. most ...19989879735
stx2vha is the dominant genotype of shiga toxin-producing escherichia coli o157:h7 isolated from patients and domestic animals in three regions of china.shiga toxin-producing escherichia coli(stec) o157: h7 strains were isolated from domestic animals and patients from xuzhou city, jiangsu province, china and the bordering anhui and henan provinces and were examined for the stx genotype. of 390 strains, 277 were identified as genotype stx2vha ; 41, stx2 ; 51, stx2-stx1 ; 1, stx2-stx2vha-stx1 ; 5, stx2-stx2vha ; and 15 were un-typeable. of the 277 stx2vha-bearing isolates, 116 were isolated from goats; 42, cattle; 38, hens, and 35 from pigs. the s ...200516365526
characteristics of cryptosporidium transmission in preweaned dairy cattle in henan, china.to estimate the prevalence and public health significance of cryptosporidiosis in preweaned calves in china, 801 fecal samples from eight farms in seven areas in henan province were examined for cryptosporidium oocysts. the overall infection rate of cryptosporidium was 21.5%, with the farm in xinxiang having the highest prevalence (40%). no significant difference in infection rates was observed between seasons. cryptosporidium spp. were characterized by pcr-restriction fragment length polymorphi ...201021177898
prevalence and molecular characterization of cryptosporidium spp. and giardia duodenalis in dairy cattle in beijing, china.822 fecal samples from cattle in six areas of beijing were examined with microscopy for cryptosporidium oocysts and giardia cysts. the overall infection rates for cryptosporidium spp. and giardia duodenalis were 2.55% and 1.09%, respectively. cryptosporidium was only detected in calves and heifers, whereas g. duodenalis was found in all age groups. cryptosporidium spp. were characterized with a pcr-restriction fragment length polymorphism analysis and dna sequence analysis of the small subunit ( ...201626921041
occurrence, molecular characterization and predominant genotypes of enterocytozoon bieneusi in dairy cattle in henan and ningxia, china.enterocytozoon bieneusi is the most frequently diagnosed microsporidian species in humans and a wide range of animals. this study was conducted to assess the prevalence and molecular characteristics of e. bieneusi in dairy cattle in henan province of central china and the ningxia hui autonomous region of northwest china.201626968376
multilocus genotyping of giardia duodenalis in dairy cattle in henan, china.giardia duodenalis is a common and widespread intestinal protozoan parasite of both humans and animals. previous epidemiological and molecular studies have identified giardia infections in different animals and humans, but only limited information is available about the occurrence and genotypes of giardia in cattle in china. in this study, we determined the occurrence of giardiasis and genetically characterized g. duodenalis in dairy cattle in henan province, central china. the overall prevalenc ...201424971639
occurrence and first multilocus microsatellite genotyping of neospora caninum from naturally infected dogs in dairy farms in henan, central china.neospora caninum is one of the important causes of abortion in dairy cattle worldwide. the dog is known as a definitive host of n. caninum and can transmit the parasite to cattle by shedding oocysts. the aim of the present study is to detect the presence of n. caninum in feces of dairy farm dogs and determine the genetic characteristics of n. caninum in central china. a total of 78 fecal samples were collected from dogs in dairy farms from may to november 2014 and examined by microscopy and nest ...201627230015
seroprevalence and first multilocus microsatellite genotyping of neospora caninum in dairy cattle in henan, central china.neospora caninum is one of the important causes of abortion in cattle worldwide, and losses due to neosporosis to the cattle industry are considerable. however, the knowledge of genetic characterization of this parasite is limited. the aim of the present study is to determine the prevalence and genetic characterization of n. caninum from dairy cows in henan province, central china. a total of 510 blood samples and 7 aborted fetuses were collected from 8 dairy farms in henan province. serum antib ...201728917323
genetic characterization of toxoplasma gondii from domestic animals in central china.toxoplasma gondii is an obligate intracellular parasite that has a remarkable ability to infect almost all warm-blooded animals, including humans. this study was aimed to determine the genetic characteristics of t. gondii isolates from domestic animals in henan province, central china. a total of 363 dna samples, including 208 from hilar lymph nodes of pigs, 36 from blood samples of cats, 12 from tissues of aborted bovine fetuses and 107 from blood samples of dams with history of abortion in hen ...201526695215
a bovine viral diarrhea virus type 1a strain in china: isolation, identification, and experimental infection in calves.bovine viral diarrhea virus (bvdv) is one of the most important pathogens in cattle. previously, bvdv sub-genotypes of 1b, 1c, 1d, and 1 m were detected in china. however, isolation of bvdv type 1a from cattle has not been reported in china. in 2010, twenty nasal swabs and blood samples were collected from the cattle suspected bvdv infection in henan province, china. a bvdv isolate was isolated using cell culture, and the pathogenesis of the virus isolate was studied.201424444389
cryptosporidium andersoni is the predominant species in post-weaned and adult dairy cattle in china.dairy industry plays an important role in the agricultural economy of china. to estimate the prevalence and public health significance of cryptosporidiosis in post-weaned and adult dairy cattle in china, during four consecutive years (from 2006 to 2009), a total of 1315 fecal samples from 22 dairy cattle farms in ten prefectures in henan province were examined for the presence of cryptosporidium oocysts. the overall prevalence of cryptosporidium was 7.9%, with the highest infection rate (11.3%) ...201020884374
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