Drivers of fine-scale avian functional diversity with changing land use: an assessment of the effects of eco-estate housing development and management     

Alexander  Jarryd  Ehlers Smith  David A.  Ehlers Smith  Yvette C.  Downs  Colleen T. 《Landscape Ecology》2019,34(3):537-549

Landscape Ecology - The effects of changing land use, and especially urbanisation, on species and functional diversity are of global concern. Eco-estates are a form of urban housing development...  相似文献   

Beitrag zur Bekämpfung der Straßentauben in Städten     

Dr.-Ing. Alexander Friedl 《Journal of pest science》1938,14(12):137-140

Ohne Zusammenfassung  相似文献   

Reply     

AJ DART  BA DOWLING 《Australian veterinary journal》2004,82(5):286-287

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Evaluation of the efficacy of doramectin against an artificial infection of Dictyocaulus viviparus in calves     

Whelan NC  Charleston WA  Pomroy WE  Alexander AM 《New Zealand veterinary journal》1995,43(1):21-22

Three groups of eight Friesian calves, reared parasite-free, were experimentally infected with 1000 infective larvae of Dictyocaulus viviparus. Two groups were injected subcutaneously with 1% doramectin at 0.2 mg/kg body weight, one group 5 days after infection and the other 25 days after infection. A third group served as untreated controls. Faecal samples were examined for lungworm larvae on days 28, 32, 33, 34 and 35 after infection; the calves were killed and necropsied 39 or 40 days after infection and any lungworms present recovered and counted. Doramectin proved 100% effective against both 5-day-old and mature D. viviparus infections.  相似文献   

Identification of tissue hypoxia in the livers of ascitic and hypoxia‐induced broilers using trypan blue     

M. H. Maxwell  I. A. Alexander  G. W. Robertson  M. A. Mitchell  C. C. McCorquodale 《British poultry science》1995,36(5):791-798

1. The perfusion of livers with the vital dye trypan blue was performed to test for evidence of tissue hypoxia in 3 groups of young broiler chickens, namely, ascitic, hypoxia‐induced and controls.

2. Hepatocytes that stained with trypan blue were considered to be dead or dying before fixation and represented damaged cells.

3. The proportion of trypan blue‐stained hepatocytes in the livers of ascitic birds was slightly less than half that observed in the hypoxia‐induced birds but significandy more than the proportion of stained cells observed in control birds.

4. Liver damage in the ascitic birds was also assessed biochemically by an altered enzyme profile.

5. The study demonstrated that increased trypan blue uptake in the livers of ascitic birds reared at sea‐level may be the consequence of hypoxia stress caused by reduced oxygen utilisation.  相似文献   

Serological investigations of infectious bursal disease virus and reticuloendotheliosis virus infections in New Zealand chickens     

Howell LJ  Bagust TJ  Alexander AM 《New Zealand veterinary journal》1982,30(8):128

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Goat horns: Platforms for viroid transmission to fruit trees?     

Oded Cohen  Ozgur Batuman  Yoni Moskowits  Alexander Rozov  Elisha Gootwine  Munir Mawassi  Moshe Bar-Joseph 《Phytoparasitica》2005,33(2):141-148

Mechanical inoculations with contaminating tools and propagation of infected budwood were considered the main causes for the omnipresence of multiple viroid species among citrus and other Middle Eastern and Mediterranean fruit trees and grapevines. However, neither means could explain viroid infections of wild trees — scattered on terrains inaccessible to humans — nor the finding of similar viroids among graft-incompatible plants. Northern hybridization of RNA extracts made of scrapings from the surfaces of goat (Capra hircus) horns that were rubbed against etrog (Citrus medica) stems infected with a citrus viroids complex, revealed accumulation of considerable amounts ofCitrus exocortis viroids (CEVd) andHop stunt viroids (HSVd). Experimental transmission of both CEVd and HSVd was obtained by rubbing healthy citrus plants with goat horns that had been rubbed 24 h earlier on infected etrog stems. These results implicate goats as possible vectors of viroids. Transmissionvia goats could have facilitated the long-range spread of viroids among cultivated and wild plants andvice versa and also among graft-incompatible plants.  相似文献   

A survey of northern Victorian dairy farmers to investigate dairy calf management: colostrum feeding and management          下载免费PDF全文

AJ Phipps  DS Beggs  AJ Murray  PD Mansell  MF Pyman 《Australian veterinary journal》2018,96(4):101-106

Objectives

To describe colostrum management practices carried out in northern Victorian dairy herds and to identify weaknesses in these areas that may affect calf health and welfare by comparing the results with the current industry recommendations

Methods

A questionnaire to obtain information about colostrum management and calf‐rearing practices was sent to commercial dairy farming clients of Rochester Veterinary Practice between June and September 2013. The questionnaire consisted of a general herd overview and colostrum harvesting practices.

Results

The response rate was 39% (58/150). Many dairy producers were not meeting the current industry recommendations in the following areas: (1) time of removal calf from the dam, (2) relying on calf suckling colostrum from the dam to achieve adequate passive transfer, (3) failing to supplement calves with colostrum, (4) feeding inadequate volumes of colostrum, (5) delayed colostrum harvesting, (6) pooling of colostrum, (7) failing to objectively assess colostrum quality or relying on visual assessment and (8) storing colostrum for a prolonged periods of time at ambient temperatures.

Conclusion

The results from this survey highlight the need for greater awareness of industry standards for colostrum management and feeding hygiene.

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Rangeland Ecology and Management,Volume 71, Issue 4: Soil Health as a Transformational Change Agent for US Grazing Lands Management     

Justin Derner  Alexander Smart  Theodore Toombs  Dana Larsen  Rebecca McCulley  Jeff Goodwin  Scott Sims  Leslie Roche 《Herpetological Monographs》2018,40(4):127-128

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Equine pituitary pars intermedia dysfunction: current understanding and recommendations from the Australian and New Zealand Equine Endocrine Group          下载免费PDF全文

CJ Secombe  SR Bailey  MA de Laat  KJ Hughes  AJ Stewart  JM Sonis  RHH Tan 《Australian veterinary journal》2018,96(7):233-242

The purpose of this article is to provide a review of the current knowledge and opinions about the epidemiology, clinical findings (including sequelae), diagnosis, treatment and monitoring of equine pituitary pars intermedia dysfunction, particularly in the Australian context. This information and the recommendations provided will assist practitioners in making informed decisions regarding the diagnosis and management of this disorder.  相似文献