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Survey completeness of a global citizen-science database of bird occurrence（图）
Survey completeness global citizen-science database bird occurrence
2019/10/28
There are many shortfalls in knowledge of the world's biodiversity, and one of the most basic is the lack of knowledge about where species occur geographically. This deficiency has broad ramifications...
First Record of Halyomorpha halys and Mass Occurrence of Nezara viridula in Slovakia
brown marmorated stink bug southern green stink bug Europe polyphagous phytophagous invasive speciesd
2018/3/5
The brown marmorated stink bug, Halyomorpha halys Stål, 1855 (Hemiptera: Heteroptera: Pentatomidae), is recorded
from Slovakia for the first time based on a 5th instar larva collected in the tow...
Potential hazard of simultaneous occurrence of aflatoxin B-1 and ochratoxin A
mycotoxins residua cereals
2015/1/20
Contents of aflatoxin B1 (AFB1) and ochratoxin A (OA) in the samples of wheat and barley were detected by RIA method. Average contents of AFB1 in the samples of wheat and barley were 2.4 μg/kg and 2.2...
Occurrence of the Pathogens and Parasites of Phyllotreta undulata (Coleoptera: Chrysomelidae) in Turkey
Pathogen parasite Hexamermis microsporidium Phyllotreta undulata
2010/3/25
The pathogens and parasites of Pyllotreta undulata Kutschera (Coleoptera: Chrysomelidae) collected from 5 localities in the Black Sea region of Turkey were investigated. Four different types of pathog...
The occurrence of the subgenus Microlaccobius Gentili in Turkey (Coleoptera: Hydrophilidae, Laccobius), with taxonomic notes
Coleoptera Hydrophilidae Laccobius Microlaccobius taxonomy new record Turkey, Palaearctic
2010/3/24
Distributional data and the chorotype of all known taxa of Turkish species of the subgenus Microlaccobius Gentili, 1974 are summarized. The taxonomic position of Laccobius gracilis persicus Gentili, 1...
The First Occurrence of the Uncommon Family Barbutiidae (Acari: Actinedida) in Turkey: Barbutia anguineus (Berlese)
Acari Barbutiidae Barbutia new record Turkey
2010/3/25
A newly recorded mite species, Barbutia anguineus (Berlese), collected from Turkey is herein re-described and figured. This is the first record of the family Barbutiidae in Turkey.
Occurrence of the Pathogens and Parasites of Phyllotreta undulata (Coleoptera: Chrysomelidae) in Turkey
Pathogen parasite Hexamermis microsporidium Phyllotreta undulata
2010/3/25
The pathogens and parasites of Pyllotreta undulata Kutschera (Coleoptera: Chrysomelidae) collected from 5 localities in the Black Sea region of Turkey were investigated. Four different types of pathog...
Occurrence of the Alien Species Aspidosiphon (Aspidosiphon) elegans (Sipuncula) on the Levantine and Aegean Coasts of Turkey
Sipuncula Aspidosiphon (Aspidosiphon) elegans alien species Lessepsian Aegean Sea Levantine Sea eastern Mediterranean
2010/3/26
A total of 37 specimens of Aspidosiphon (Aspidosiphon) elegans were collected at 5 stations located along the Levantine coast of Turkey and at 1 station located near Foça (Aegean Sea). This spe...
大肠杆菌FC40系统静止期突变中的F因子转移The Occurrence of Actual F Factor Transfer during the Stationary-phase Mutation in Escherichia coli FC40
大肠杆菌FC40系统 适应性突变 F因子转移
2007/12/31
摘要本研究采用大肠杆菌GM133 rifr细胞和营养收集细胞HB214 strr进行适应性突变实验。在混合30min和2d 后添加链霉素杀死GM133基因型细胞，继续培养5d后，在选择平板上出现了一定数量的lac+strr基因型回复突变菌落。根据这些突变菌落的数量，估计在lac+突变产生之前，GM133和HB214细胞之间的接合频率分别为0.07%和7.47%。在培养了7d的选择平板上添加含链霉素...
期刊信息
篇名
Occurrence of avian leukosis virus subgroup J in commercial layer flocks in China
语种
英文
撰写或编译
撰写
作者
Binrui Xu
第一作者单位
刊物名称
Avian Pathology
页面
2004.33(1):13-17.
出版日期
2004年
月
日
文章标识(ISSN)
相关项目
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Occurrence of Glutathione Sulphydryl (GSH) and Antioxidant Activities in Probiotic Lactobacillus spp
GSH Level Antioxidant Effect
2016/4/18
The antioxidative ability on the basis of reduced glutathione sulphydryl level, the inhibition activities of linoleic acid peroxidation of cell free extract of Lactobacillus spp. and the effects of ty...
A Study on the Occurrence of Merismopedia Meyen (Cyanobacteria) Populations on the Littoral Sediments of İzmit Bay (Turkey)
Merismopedia density biomass İ zmit Bay littoral sediment
2010/3/22
In a previous study of epipelic diatoms on the littoral sediments of İzmit Bay (Marmara Sea, Turkey), which was carried out from March 1999 to September 2000, it was found that two Merismopedia M...
The Occurrence of the Rumen Ciliate Metadinium banksi Dehority, 1985 (Ophryoscolecidae, Entodiniomorphida) from Domestic Goats (Capra hircus L.) in Southeastern Turkey
Goat Metadinium banksi protozoa rumen Turkey
2010/3/30
Metadinium banksi was observed in rumen contents from a single goat out of eight living in southeastern Turkey. It constituted 0.25% of the total ciliate population and had a 12.5% frequency of appear...
Effects of Early Feed Restriction on the Occurrence of Compensatory Growth, Feed Conversion Efficiency, Leg Abnormality and Mortality in Unsexed Broiler Chickens Reared in Cages
Early Feed Restriction Compensatory Growth Leg Abnormality Mortality
2016/4/11
Two experiments were conducted to evaluate the effect of early feed restriction on growth, feed conversion ratio (FCR) and mortality in unsexed broiler chickens. In Experiment 1, 350 one-day-old broil...
On the Occurrence of Niphargus valachicus Dobreanu & Manolache, 1933 (Amphipoda, Gammaridae) in the Western Black Sea Region of Turkey
Niphargus valachicus Gammaridae Amphipoda Crustaceae Turkish freshwater fauna
2010/3/30
In this study, the characteristic features, distribution and ecology of the amphipod Niphargus valachicus E. Dobreanu & C. Manolache, 1933 sampled at Sırakaraağaçlar Stream of Sinop, ...