(1) Unilateral post-ganglionic denervation in geese prevented the changes in [RNA] and [RNA]:[DNA] that occurred in the intact gland of birds given salt water for 24 hr; denervation had no significant effect in birds on fresh water throughout.
(2) I used to hear Canada geese sail overhead to a Stoke Newington reservoir behind where I lodged in my London days.
(3) Geese kept at 4.5 degrees C. trended toward greater fertility than geese housed but subjected to natural temperature variations.
(4) The prevalence of influenza varied greatly among the common waterfowl species: mallards 42%, black ducks 30%, blue-winged teal 11%, wood ducks 2%, and Canada geese 0%.
(5) But the company's permission to explore there was dependent on its impact on migrating birds, including pink-footed geese and whooper swans .
(6) Clinical signs in the live geese were weakness, lethargy, anorexia, emaciation and bile stained diarrhea.
(7) The live geese (155) were captured and moved to nearby freshwater wetlands where most apparently survived.
(8) In geese with one salt gland removed, no indication of compensatory growth of the remaining gland was evident in birds kept on fresh water for 24 days.
(9) The segmentum accelerans in geese is a constriction in the caudal end of the primary bronchus.
(10) Geese were trapped and blood samples were obtained in each of 4 consecutive years, 1966-69.
(11) The high prevalence of this condition in white-fronted geese suggested a genetic influence.
(12) Regional blood flow was measured using the radioactive microsphere method in unanesthetized Pekin ducks (Anas platyrhynchos) and bar-headed geese (Anser indicus) breathing 21, 10 and 5% O2.
(13) All species showed upper alimentary distress with mortalities occurring in the geese.
(14) Migratory ducks, Canada geese, and sandhill crane from the Pacific North American Flyway have been screened for Campylobacter spp.
(15) The ventilatory activity of the anterior and posterior groups of air sacs was simulated in unidirectionally-ventilated geese and the resultant flow of air in the mediodorsal secondary bronchi was used as an indicator of the route which air followed through the lung.
(16) These studies were carried out to compare certain hepatic microsomal drug-metabolizing enzymes of quail, ducks, geese, chickens, turkeys and rats.
(17) Although the introduction of these chemicals has been beneficial in reducing environmental contamination, some side-effects on wildlife have still been discernible and carbophenothion has now been withdrawn from use in Scotland owing to the deaths of wintering geese from carbophenothion poisoning.
(18) Fossil evidence suggests that these two groups of geese had a common ancestor 4-5 million years ago.
(19) Liver slices from geese, ducks (Aylesbury X Pekin) and chickens contained low UDP-glucuronyl transferase and high sulphate conjugation enzyme activities, whereas the reverse was found in Khaki-Campbell ducks.
(20) Psittacosis virus was not recovered from any of the birds examined, but a percentage of migrating geese had psittacosis antibodies.
Waterfowl
Definition:
(n.) Any bird that frequents the water, or lives about rivers, lakes, etc., or on or near the sea; an aquatic fowl; -- used also collectively.
Example Sentences:
(1) The virus isolates from waterfowl included paramyxoviruses (PMV-1, -4, and -6) and influenza viruses of 13 antigenic combinations.
(2) In contrast to widespread distribution of PCBs in the environment, PCT residues were seldom found in samples from aquatic environments such as water and sludge and waterfowl and fish, and, if found, the levels of PCTs were so low as to be practically negligible.
(3) However, because expended lead shot ingested unintentionally by waterfowl and other avian species is fatal, the US Fish and Wildlife Service mandated exclusive use of steel shot for waterfowl hunting beginning in 1991.
(4) Predominant HA and NA subtypes were typical of AIVs commonly associated with waterfowl.
(5) Wild parrots, waterfowl and migratory waders appear to present a minimal threat.
(6) The prevalence of influenza varied greatly among the common waterfowl species: mallards 42%, black ducks 30%, blue-winged teal 11%, wood ducks 2%, and Canada geese 0%.
(7) A public health survey identified a combination of waterfowl wastes and meteorological events as the explanation for the high bacteria counts.
(8) Virus-isolation attempts made on cloacal and tracheal swabs from 4,466 birds and small rodents within the quarantined areas and 1,511 waterfowl in nearby Maryland yielded only a single H5N2 isolate from a pen-raised chukar in Pennsylvania.
(9) Five incidences of bird mortality in Georgia and West Virginia (USA) involving migratory waterfowl, cranes, raptors, corvids and songbirds were investigated during the first 6 mo of 1988.
(10) Six-week-old white Pekin ducks were inoculated intravenously with duck plague virus (DPV) isolated from wild waterfowl.
(11) A diverse population of bacteria was recovered from the waterfowl, and representative strains could be classified into 21 phena.
(12) The ability of AIV to persist in surface water was also evaluated using samples collected from varied waterfowl habitats in coastal Louisiana.
(13) This increase could result in a greater number of harvested birds being discarded, or a change in the attitudes of waterfowl hunters towards black ducks.
(14) Black ducks (anas rubripes) were the most heavily infected of the 14 species of waterfowl sampled and possibly hematozoa may act as a limiting factor on populations of this duck.
(15) During the latter stages of the lethal H5N2 influenza eradication program in domestic poultry in Pennsylvania in 1983-84, surveillance of waterfowl was done to determine if these birds harbored influenza viruses that might subsequently appear in poultry.
(16) Cloacal and tracheal swabs were collected from 1389 hunter-killed ducks in Cameron Parish, Louisiana, during the 1986 and 1987 waterfowl seasons.
(17) Thus, it may not be possible to assess microbiological impact of migratory waterfowl by using and "indicator" species since avian fecal pollution could not be distinguished from animal and human fecal pollution.
(18) In the years 1980-1984, one paramyxovirus type 4 and 11 influenza viruses were isolated from cloacal swabs collected from migratory waterfowls in Fed.
(19) Seventy-six type A influenza viruses recovered from waterfowl in Wisconsin, California, South Dakota, Florida, Texas, Alabama, and Nebraska were tested for virulence in chickens.
(20) We hypothesize that feeding waterfowl are ingesting small particles of the highly toxic, incendiary munition P4 stored in the bottom anoxic sediments of shallow salt marsh ponds.