نتایج جستجو برای: partridge
تعداد نتایج: 745 فیلتر نتایج به سال:
A basic assay that detects genotoxic DNA damage disrupting DNA replication and repair mechanisms is the sister chromatid exchange test. The frequency of sister chromatid exchanges was analyzed in chromosomes of the following hen breeds: Greenleg Partridge and Polbar. Chromosome preparations were obtained from our in vitro culture of peripheral blood lymphocytes stained using the fluorescence pl...
An experimental infection with highly pathogenic avian influenza virus (HPAIV) and low pathogenic avian influenza virus (LPAIV) was carried out in red-legged partridges (Alectoris rufa) in order to study clinical signs, gross and microscopic lesions, and viral distribution in tissues and viral shedding. Birds were infected with a HPAIV subtype H7N1 (A/Chicken/Italy/5093/1999) and a LPAIV subtyp...
The research aimed to study the morphologic variation of the testis, seeking to promote the selection and genetic control of those that present appreciable spermatic production throughout the year. Testis morphology of the Rynchotus rufescens partridge was investigated, analyzing the testis weight, the seminiferous tubules diameter, the thickness of the seminiferous epithelium, the amount of me...
Boivin and his collaborators have investigated in some detail the decomposition of the specific antigens of Gram-negative microorganisms by hydrogen and hydroxyl ions (1). Under conditions of relatively mild acid treatment it was found that antigens derived from a variety of unrelated microorganisms were dissociated into their constituent components, a phospholipid and a serologically active po...
A PCR assay was developed for the identification of meats and commercial meat products from quail (Coturnix coturnix), pheasant (Phasianus colchicus), partridge (Alectoris spp.), guinea fowl (Numida meleagris), pigeon (Columba spp.), Eurasian woodcock (Scolopax rusticola), and song thrush (Turdus philomelos) based on oligonucleotide primers targeting specific sequences from the mitochondrial D-...
The Orange-necked Partridge, Arborophila davidi, is limited to small fragmented patches in southern Vietnam and a small adjacent area in Cambodia. It was first discovered at Bu Kroai, Binh Phuoc Province, Vietnam, but not observed again by scientists until three sightings in 1991 on a small isolated hill at c.150–200 m near Dak Lua substation, Cat Tien National Park (Dong Nai and Lam Dong provi...
In Mexico, the Long-tailed Wood-Partridge (Dendrortyx macroura) is distributed in the mountains of the Trans-Mexican Volcanic Belt, Sierra Madre del Sur and Sierra Norte de Oaxaca; while the Bearded Wood-Partridge (D. barbatus) is distributed in the Sierra Madre Oriental (SMO). There is a controversial overlap in distribution (sympatry) between these two species (on the Cofre de Perote and Pico...
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