Results 21 to 30 of about 50,393 (292)
If It Looks Like a Duck, Swims Like a Duck, and Quacks Like a Duck—Does It Have to Be a Duck?
[Extract] Case Presentation On 2nd July 2013, a 29-year-old HIV-positive woman presented herself to the outpatient clinic at the Infectious Diseases Institute in Kampala, Uganda. Her weight had decreased from 46 kg to 42 kg in the past few weeks. In addition, she complained about abdominal pain, diarrhea, vomiting, and evening fevers during the week
Nalwanga, Damalie, Henning, Lars
openaire +5 more sources
The Aspen Parkland of Canada is one of the most important breeding areas for temperate nesting ducks in North America. The region is dominated by agricultural land use, with approximately 9.3 million ha in pasture land for cattle grazing.
Jeffrey M. Warren +2 more
doaj +1 more source
Northern forests are major breeding habitats for several waterfowl and other waterbird species. In Quebec, as in many other areas within the boreal region, clear-cut logging is an important human activity, and it is likely to affect ground- and cavity ...
Louis-Vincent Lemelin +3 more
doaj +1 more source
Evidence of vertical transmission of novel duck orthoreovirus in ducks [PDF]
Since 2017, duck spleen necrosis caused by a new variant duck orthoreovirus (N-DRV) infection had been observed in many provinces in China. This disease causes the growth and development of ducks to be retarded, and the feed return rate is reduced. Because the target organ of the disease is mainly the spleen, the immune suppression of the diseased ...
Hongzhi, Wang +5 more
openaire +2 more sources
Radiomarking brood‐rearing mallard females: Implications for juvenile survival
Radiotelemetry is frequently used to measure habitat use, movements, and survival in birds; presumably, outfitting adult females with radiotransmitters does not influence juvenile survival, but this critical assumption is rarely tested.
Pauline M. Bloom +4 more
doaj +1 more source
Effects of genetic selection and threonine on meat quality in Pekin ducks
The present study was conducted to investigate the effects of genetic selection and threonine levels on meat quality in Pekin ducks. At 15 D of age, 192 lean ducks and 192 fatty ducks were selected and allotted to one of three treatments with 8 ...
Yong. Jiang +6 more
doaj +1 more source
A synthesis of knowledge about motives for participation in perpetual conservation easements
Perpetual conservation easements are a popular method in some countries for addressing conservation goals. Landowner participation plays a key role in the development of these agreements.
Kaylan M. Kemink +3 more
doaj +1 more source
Patterns of duck Tembusu virus infection in ducks, Thailand: a serological study
Duck Tembusu virus (DTMUV), a mosquito-borne flavivirus, has been identified as a causative agent of an emerging viral disease in ducks, causing significant economic losses to the duck-producing industry. In Thailand, DTMUV has been detected sporadically
Wikanda Tunterak +7 more
doaj +1 more source
Further evidence of the circulation of PMV-4 and influenza viruses with N2 - 1957 enzyme in migratory waterfowls [PDF]
I n the years 1980—1984, one paramyxovirus type 4 and 11 influenza viruses were isolated from cloacal swabs collected from migratory waterfowls in Fed. Rep. Germany.
Pfleger, A. +4 more
core +1 more source

