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observations on the aetiology of supernumerary upper incisors in the albino ferret (mustela putorius). 19734516059
tooth development in the albino ferret (mustela putorius) with special reference to the permanent carnassial. 19734516060
immunity to influenza in ferrets. vii. effect of previous infection with heterotypic and heterologous influenza viruses on the response of ferrets to inactivated influenza virus vaccines.normal ferrets did not produce serum antibody following immunization with 200 i.u. of inactivated a/hong kong/68 influenza virus vaccine and were found to be susceptible to subsequent challenge infection with a/hong kong/68 virus. high titres of virus were recovered from nasal washings collected 3 days after infection, serum antibody was produced, increased nasal protein was detected and hi antibody was detected in nasal washings. ferrets infected with influenza virus a/pr/8/34 7 weeks before im ...19744522247
immunity to influenza in ferrets. xi. cross-immunity between a/hong kong/68 and a/england/72 viruses: serum antibodies produced by infection or immunization.the degree of immunity due to cross-reactions between antibody to influenza virus a/hong kong/1/68 and a/england/42/72 was studied in ferrets. ferrets were immunized with the viruses by either live infection or by inoculation with inactivated virus vaccines. the vaccines were given with freund's incomplete adjuvant or were given to ferrets previously infected with influenza virus a/pr/8/34. as a result of these immunizations the animals all produced similar titres of serum hi antibody to the imm ...19744531448
antigenic variation of equine (heq2neq2) influenzavirus.influenza equine (heq2neq2) strains isolated during the course of epizootics observed in guanabara (rio de janeiro) and são paulo, brazil, in july-october 1969 were shown to differ antigenically from earlier strains of the same subtype (a/equine/miami/1/63 (heq2neq2)). the difference could be clearly demonstrated in haemagglutination inhibition tests performed with postinfection horse or ferret sera but not with hyperimmune rooster sera. antibody responses of diseased horses were higher and more ...19724540996
the gastric mucosal response to acetylsalicylic acid in the ferret. an ultrastructural study. 19734542656
serial sections of the jaw of a ferret. 19734570295
passage in ferrets of encephalitogenic cell-associated measles virus isolated from brain of a patient with subacute sclerosing panencephalitis. 19734574999
prospects for biological control of rodent populations.pathogens and predatory animals are the main agents used for the biological control of rodents. the pathogens that have been used are of the genus salmonella; none is rodent-specific and all can cause severe infection in man and domestic animals. furthermore, rodents frequently develop immunity to, and become carriers of, these organisms, and there is little to commend their use, except in lightly populated areas where control is infrequently applied. the relationships of five predator species w ...19734587482
experimental evidence for a synaptic connection between habenula and pineal ganglion in the ferret. 19734592642
deaths in ferrets (mustela putorius) due to clostridium botulinum type c. 19734594379
effect of calcium on pentagastrin-, histamine-, bethanecol-, and insulin-stimulated gastric secretion in the ferret. 19724626724
[prostaglandin, aspirin and gastric secretion in the laboratory ferret]. 19724627380
immunity to influenza in ferrets. 3. proteins in nasal secretions. 19724627647
changes in pituitary melanocyte-stimulating hormone in female ferrets exposed to 14-h photoperiods daily during winter. 19724636374
peripheral plasma progestin levels during anoestrus, oestrus and pseudopregnancy and following hypophysectomy in ferrets. 19724637647
cell fusion by canine distemper virus-infected cells.av3 cells (continuous human amnion) infected with the onderstepoort strain of canine distemper virus produced cell fusion within 2 to 5 hr when added to av3 cell monolayers. an apparent requirement for intact, infected cells was demonstrated by showing that (i) frozen-and-thawed infected cells failed to induce fusion, (ii) infected cells frozen in the presence of glycerol retained their ability to induce fusion, (iii) infected cells subjected to swelling in hypotonic buffer and homogenization lo ...19724644630
effects of progesterone and estrogen on the fate of blastocysts in ovariectomized pregnant ferrets: a preliminary study. 19724651160
studies on the structure and function of the pineal gland in the ferret. 19724672258
initial observations on pinealectomized ferrets kept for long periods in either daylight or artificial illumination. 19724675059
comparison of neutralizing activity in nasal secretion and serum of ferrets in response to infection with influenza a viruses. 19734692625
reciprocal fertilization between the ferret and short-tailed weasel with special reference to the development of ferret eggs fertilized by weasel sperm. 19734697405
the ultrastructure of the pineal ganglion in the ferret. 19734728267
seasonal changes in the testicular blood flow of seasonally breeding mammals: dormouse, glis glis, ferret, mustella furo, and fox, vulpes vulpes. 19734741692
a pressor effect of high doses of tubocurarine in the ferret. 19734751539
immunity to influenza in ferrets. vi. immunization with adjuvanted vaccines. 19734754182
hormonal requirement for implantation and embryonic development in the ferret. 19734754734
immunity to influenza in ferrets. 8. serological response of ferrets to influenza virus vaccines after infection with heterotypic strains of influenza. 19734769893
effect of ergot alkaloids upon luteal function in the ferret. 19744812467
dissemination of influenza virus between anatomically isolated sites in ferrets.influenza virus was shown to disseminate from the respiratory tract of nasally infected ferrets to a surgically formed, subcutaneous tracheal pouch. conversely, ferrets infected via the pouch shed virus from the upper respiratory tract. these events occurred within the first 24 h after infection. passively administered ferret antibody to virus did not prevent the dissemination.19744816632
immunity to influenza in ferrets. x. intranasal immunization of ferrets with inactivated influenza a virus vaccines.the response of ferrets after intranasal inoculation of inactivated a/hong kong/68 (h3n2) influenza virus vaccines is reported. normal ferrets given either saline vaccine in drops or freeze-dried vaccine in an aerosol intranasally did not produce detectable serum or nasal hemagglutination inhibiting antibody and were found to be completely susceptible to challenge infection with a/hong kong/68 virus. intranasal saline vaccine did not produce an additive effect on the response of ferrets simultan ...19744830530
anatomy of the ferret heart: an animal model for cardiac research. 19744842486
spontaneous squamous cell carcinoma in a ferret. 19744844504
effect of hypothalamic lesions on maturation and annual cyclicity of the ferret testis. 19744851650
plasma progesterone levels in pregnant and pseudopregnant ferrets. 19744853673
the localization of influenza virus: minimal infectious dose determinations and single cycle kinetic studies on organ cultures of respiratory and other ferret tissues. 19744857727
growth and pathogenicity of influenza viruses in organ cultures of ciliated epithelium. i. experiments in ferret and human tissue. 19744857907
transmission of an encephalitogenic agent from brains of patients with subacute sclerosing panencephalitis to ferrets. preliminary report. 19684877639
isolation of influenza viruses types a and b in ferret kidney cell culture. 19704921028
congenital infections of cats and ferrets by feline panleukopenia virus manifested by cerebellar hypoplasia. 19674965699
subacute sclerosing panencephalitis: isolation of a virus encephalitogenic for ferrets. 19704984220
species differences in the aromatization of quinic acid in vivo and the role of gut bacteria.1. the fate of (-)-quinic acid has been investigated in 22 species of animals including man. 2. in man and three species of old world monkeys, i.e. rhesus monkey, baboon and green monkey, oral quinic acid was extensively aromatized (20-60%) and excreted in the urine as hippuric acid, which was determined fluorimetrically. 3. in three species of new world monkeys, i.e. squirrel monkey, spider monkey and capuchin, in three species of lemurs, i.e. bushbaby, slow loris and tree shrew, in the dog, ca ...19704985157
properties of the hong kong influenza virus. i. general characteristics of the hong kong virus.biological properties of the hong kong influenza variants are described in relation to the isolation and identification of strains, sensitivity to nonspecific inhibitors, and serological diagnosis. hong kong virus strains were readily isolated in both eggs and monkey-kidney tissue cultures and were identified by haemagglutination-inhibition (hi) with chicken erythrocytes. the morphology, soluble antigen, and neuraminidase of hong kong isolates were similar to those of earlier a2 asian influenza ...19694985376
[disease reservoirs and wild vectors of trypanosoma cruzi. 35. natural infection of the ferret galictis cuja furax (thomas, 1907) caused by t. cruzi]. 19694985630
the fate of sulphadimethoxine in primates compared with other species.1. the metabolism of sulphadimethoxine (2,4-dimethoxy-6-sulphanilamidopyrimidine) was examined in nine species of primates and nine species of non-primates. 2. the main metabolite of the drug in the urine in man, rhesus monkey, baboon, squirrel monkey, capuchin, bushbaby, slow loris and tree shrew was sulphadimethoxine n(1)-glucuronide. in the green monkey, although the main metabolite was n(4)-acetylsulphadimethoxine, the n(1)-glucuronide was also a major metabolite. 3. in the dog, rat, mouse, ...19704990585
the fate of benzoic acid in various species.1. the urinary excretion of orally administered [(14)c]benzoic acid in man and 20 other species of animal was examined. 2. at a dose of 50mg/kg, benzoic acid was excreted by the rodents (rat, mouse, guinea pig, golden hamster, steppe lemming and gerbil), the rabbit, the cat and the capuchin monkey almost entirely as hippuric acid (95-100% of 24h excretion). 3. in man at a dose of 1mg/kg and the rhesus monkey at 20mg/kg benzoic acid was excreted entirely as hippuric acid. 4. at 50mg/kg benzoic ac ...19704990586
studies of the basis of localization of influenza virus in ferret organ cultures. 19725014240
implantation in the ferret: epithelial penetration. 19725026657
immunity to influenza in ferrets. i. response to live and killed virus. 19725032092
the stimulation of a 'maternal pregnancy reaction' in the ferret. 19725039193
gastric acid secretion in the ferret during estrus and anestrus. 19725062086
reproducibility of a neuraminidase inhibition test employed to measure anti-influenza neuraminidase antibody.the standard deviation was determined for 146 replications of the neuraminidase inhibition test for antineuraminidase antibody employing two ferret antisera and the recombinant viruses x-15 and x-15(hk). the standard deviation found was 0.612 log(2) and is a quantitative estimate of the reproducibility of the test.19725062979
diadic interactions between pairs of male polecats (mustela furo and mustela furo x m. putorius hybrids) under standardised environmental conditions during the breeding season. 19725063890
immunity to influenza in ferrets. iv. antibody in nasal secretions. 19725075910
the growth and cytopathogenicity of virulent and attenuated strains of canine distemper virus in dog and ferret macrophages. 19715090886
the time of oestrus in ferrets after bilateral superior cervical sympathetic ganglionectomy. 19715104546
the aerosol and subcutaneous administration of attenuated egg adapted distemper vaccine to ferret kits from distemper immune females. 19715105165
feline panleukopenia: experimental cerebellar hypoplasia produced in neonatal ferrets with live virus vaccine. 19715105166
an abnormal retinogeniculate projection in the albino ferret (mustela furo). 19715134931
the action of clomiphene in the ferret. 19715166158
a technique for measuring nasal airway resistance in ferrets. 19675230410
experimental teratogenesis in ferrets using rubella virus. 19695251491
symptomatic therapy of influenza rhinitis in ferrets by topical application of compounds. 19705265049
the dentition of the albino ferret. 19695267933
antigenic properties of the envelope of influenza virus rendered soluble by surfactant-solvent systems.dissociating chemical treatments employing surfactant-solvent systems were applied to purified influenza a and b viruses to obtain viral preparations possessing a significantly higher or lower haemagglutinating activity than the intact virus. all preparations, whether with high or low haemagglutinating activity, with the exception of envelope protein solubilized by triton x-100, were significantly lacking in the ability to excite the formation of haemagglutination-inhibiting and virus-neutralizi ...19715291750
laboratory and clinical characteristics of attenuated strains of influenza virus.prior to 1967, attenuation of influenza virus was achieved by gradually lowering the incubation temperature until optimal growth at 25 degrees c was obtained. the process of attenuation of a hong kong strain was modified and considerably shortened. the temperature of incubation was changed abruptly from 35 degrees c to 25 degrees c and a cold variant was selected using the plaque-assay system.a set of genetic markers was developed for assessing the potential virulence of cold-passaged variants. ...19695309481
monoamines and acetyl-cholinesterase in the pineal gland and habenula of the ferret. 19705311836
antigenic relationship between influenza b viruses.the object of this study was to determine whether antigenic groupings exist among influenza b viruses. altogether, 22 influenza type b strains isolated during the years 1940-68 were examined by reciprocal haemagglutination-inhibition, strain-specific complement-fixation, and serum neutralization tests with sera produced in ferrets and guinea-pigs. it was found that the strain-specific complement-fixation test was superior for separating influenza b viruses into groups whereas the haemagglutinati ...19715317011
implantation of ferret ova fertilized by mink sperm. 19655327700
gastric secretion in the chronic fistula ferret. 19695348086
development of transferred ferret eggs in relation to the age of corpora lutea. 19695349730
electron microscopic studies on the pars intermedia of the ferret. 19695354167
quantitative studies on the tissue localization of influenza virus in ferrets after intranasal and intravenous or intracardial inoculation. 19695364391
the antral clear cell--a new cell type discovered in the pyloric-antral mucosa of the ferret. 19695365375
the functional capacity of ovarian tissue transplanted to the spleen or kidney in the ferret. 19695388357
gastric secretion after pentagastrin and histamine in the basal secreting ferret. 19705416689
growth patterns of influenza virus in cultures of ferret organs. 19705434442
unusual ultrastructural variants in the ferret parietal cell. 19705439610
the distribution of monoamines and acetylcholinesterase in the pineal gland and habenula of the ferret. 19705442232
poisoning in ferrets by tissues of alkyl mercury-fed chickens. 19705449102
studies on the secretory and cytotoxic actions of caffeine on the ferret gastric mucosa. 19705459856
hypothalamic lesions, oestrogen and precocious puberty in the female ferret. 19705489036
coincidence of embryonic growth and uterine protein in the ferret. 19705491983
surface topology of the stomach in man and the laboratory ferret. 19705494315
structural changes in the small intestine associated with the uptake of polyvinyl pyrrolidone by the young ferret, rabbit, guinea-pig, cat and chicken.1. the entry of [(125)i]polyvinyl pyrrolidone (pvp) of mean mol. wt. 160,000 (k. 60) into the epithelial cells of the small intestine has been measured in new-born animals of five species.2. the distribution along the intestine of cells capable of taking up [(125)i]pvp and the decrease and eventual cessation of uptake (closure) with increasing age have been investigated, and have been related to changes in the histological appearance of the small intestine.3. the small intestine of the ferret to ...19705499802
modification of the annual oestrous cycle of the ferret by various regimes of artificial light. 19705528663
the fertilizing life of spermatozoa in the female tract of rabbits and ferrets treated with oestrogen. 19705528677
oögenesis and the development of the ovarian interstitial tissue in the ferret. 19705528805
distemper vaccine in pregnant ferrets and mink. 19705532449
gastric surface morphology in man, monkey, and ferret. evidence for in situ surface cell degeneration. 19705533208
development of ferret eggs after 2 to 3 days in the rabbit fallopian tube. 19715551709
effect of unilateral vagotomy on gastric secretion in the ferret. 19715563403
changes in the hypothalamus associated with regeneration of the hypothalamo-neurohypophysial tract after pituitary stalk section in the ferret. 19715579596
ultrastructural changes of the parietal cell in the ferret gastric mucosa induced by pylorus ligation and glucocorticoid administration. 19675590731
the virus of canine distemper in cell culture. i. adaptation of canine distemper virus to growth and serial passage in ferret kidney cell cultures and in bs-c-1 cell cultures. 19685648804
the virus of canine distemper in cell culture. ii. effect of serial passage in ferret kidney cell cultures and bs-c-1 cell cultures on the virulence of canine distemper virus. 19685648805
ultastructure of the gastric mucosa of normal laboratory ferrets. 19685653899
reactions of ferret-polecat hybrids to complexity and change. 19685657752
the relationship between the transverse tubular system and other tubules at the z disc levels of myocardial cells in the ferret. 19685659129
effect of complement and viral filtration on the neutralization of respiratory syncytial virus.the addition of 10 hemolytic units of guinea pig complement has been shown to enhance the neutralizing capacity of respiratory syncytial (rs) immune sera produced in guinea pigs and ferrets. this same immune sera, when tested without complement, had little or no neutralizing capacity. the addition of complement to rs immune horse serum did not significantly increase its neutralizing capacity. immune horse serum effectively neutralized rs virus without complement. other studies indicated that a 5 ...19685664124
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