Publications

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anthrax in mink (mustela vison). 193920475478
the nuclear pattern and the fiber connections of certain non-cortical areas of the telencephalon of the mink (mustela vison). 194521004979
eimeria and isospora of the mink, mustela vison. 194818099930
[anthrax of the american mink]. 195214925518
thyroidal iodine turnover, thyroxine secretion rate, and thyroactive iodinated casein utilization in mink (mustela vison). 196013740589
the effects of thyroid gland destruction and replacement therapy on fur growth in mink (mustela vison) given a thyroxine-free diet. 196214491259
studies on helminths of north carolina vertbrates. v. parasites of the mink, mustela vison schreber. 196414244801
[changes in the anterior pituitary, pregnancy lutein bodies and thyroid gland following embryonic implantation in mustela vision]. 196414275559
importance of sex chromatin in identifying placental type: a note of haemochorial placental type of the mink (mustela vison) and the dog (canis familiaris). 196414195055
[histofunctional changes taking place in the adrenal cortex in (mustela vision on briss) in the course of the year]. 19655873012
[cyclic variations in the thyroid gland of mustela vison briss]. 19655872459
organ weight-body weight relations in the family mustelidae: the mink (mustela vison). 196514287038
variations in gestation length of mink (mustela vison). 19665965529
some effects of feeding products high in naturally occurring thyroactive compounds upon reproduction of mink (mustela vison). 19665961417
effects of age and strain of female, and of ethylene dichloride extracted wheat germ oil on reproduction in mink (mustela vison). 19665937894
[has the pregnant uterus a luteotropic function in the mink (mustela vison)?]. 19664228365
histologic features of inguinal skin of "wet belly" and normal mink (mustela vison). 19676069578
[penis bone changes in minks (mustela vison schreb.)]. 19675627627
[histological studies on the kinetics of the spermatogenesis in the mink (mustela vision). ii. wave of the seminiferous epithelium in the breeding season]. 19685305676
[histological studies on the kinetics of spermatogenesis in the mink (mustela vison). i. cycle of seminiferous epithelium in the breeding season]. 19685304886
the dentition of the mink (mustela vison). 19685670807
some observations on the cerebral arterial circles of mink (mustela vision). 19685693468
infectious diseases in mink (mustela vison) in the netherlands. 19685761436
[studies on the morphology, bronchography and vasography of the lung of canadian weasel (mustela vison)]. 19705509180
[topography and morphography of the canadian weasel heart (mustela vison)]. 19705509179
[morphologic and histochemical characteristics of the placenta of the american mink]. 19715169028
influence of dienestrol diacetate on reproductive performance of female mink (mustela vision). 19715115545
tissue migration, growth, and morphogenesis of filaroides martis (nematoda: metastrongyloidea) in mink (mustela vison). 19724656829
photoperiodic control of fur growth and reproduction in the mink (mustela vison). 19724673000
prosthodendrium naviculum macy, 1936, and cephalophallus obscurus macy and moore, 1954 (trematoda: lecithodendriidae) from mustela vison schreber in michigan. 19725022875
electro-ejaculation of mink (mustela vison). 19725011236
the pars intermedia of the mink, mustela vison. fluorescence, light and electron microscopical studies. 19734766450
[histological study on kinetics of spermatogenesis in mink (mustela vison). vi. seminiferous epithelium just before breeding season (7 and 19 months old)]. 19734546536
[histological study on kinetics of spermatogenesis in mink (mustela vison). v. gonocytes and gonocyte-like cells just before breeding season (7 and 19 months old)]. 19734546535
[histological study on kinetics of spermatogenesis in mink (mustela vison). iv. cellular association in the seminiferous epithelium just before breeding season (7 and 19 months old)]. 19734546534
the fine structure of the ovarian interstitial gland cells in the mink, mustela vison. 19734719810
the reproductive status of female mink, mustela vision, recorded as 'failed to mate'. 19734736560
a comparative ultrastructural analysis of the third cerebral ventricle of the north american mink (mustela vison). 19734685556
the progesterone concentrations in the peripheral plasma of the mink (mustela vison) during pregnancy. 19734683405
[comparative studies on the pituitary gland and genitalia in pregnant and experimental pseudopregnant farm mink (mustela vison schreber, 1777) i]. 19744469115
aerial and undereater visual acuity in the mink mustela vison schreber. 19744462409
[change in the amine composition of the volatile substances in the vaginal secretions of american mink (mustela vison) in relation to the sexual cycle]. 19744858179
plasma progesterone before and after ovariectomy in unmated and pregnant mink, mustela vison. 19744824700
[identification of 5 allotypes of serum alpha2-lipoproteins--esterases of the american mink (mustela vison)]. 19744377731
incorporation of (2-14c)acetate into lipids of mink (mustela vison) liver and intestine during in vitro and in vivo treatment with aflatoxin b1.the in vitro and in vivo incorporation of (2-14c)acetate into lipids of mink (mustela vison) liver and intestines was studied. in vitro, a dose of aflatoxin b1 as small as 7.5 mug/ml of medium reduced by 20% the amount of (2-14c)acetate incorporated into lipids of mink liver slices, whereas 180 mug caused 76% reduction in the synthesis of lipids from the radioactive precusor. similar inhibition of lipid synthesis by aflatoxin also was observed with tissues from mink intestines and fatty liver. t ...19751211938
[comparative studies on the pituitary gland and genitalia in pregnant and experimental pseudopregnant farm milk (mustela vison schreber, 1777). ii]. 19751199483
pharmacological investigations on the cardiovascular system of the anesthetized mink (mustela vison). 19751224835
paragonimus kellicotti infection in wild carnivores in southwestern ontario: i. prevalence and gross pathologic features.paragonimus kellicotti ward, 1908 was recovered from 16 of 105 mink (mustela vison), 14 of 244 striped skunks (mephitis mephitis), 10 of 446 red foxes (vulpes vulpes), 1 of 31 coyotes (canis latrans), 0 of 326 raccoons (procyon lotor) and 0 of 8 weasels (mustela spp.) collected from southwestern ontario. the majority of carnivores harboring p. kellicotti was collected from two counties (huron and bruce) bordering the east shore of lake huron where 6.0% of the animals (excluding raccoons) were in ...19751113433
paragonimus kellicotti infection in wild carnivores in southwestern ontario: ii. histopathologic features.pulmonary lesions associated with naturally acquired paragonimus kellicotti infection were studied in mink (mustela vison), striped skunks (mephitis mephitis), red foxes (vulpes vulpes) and a coyote (canis latrans). in ,ink a fibrous capsule was formed around mature flukes in dilated bronchioles or bronchi, and there was mild focal interstitial pneumonitis adjacent to fluke eggs in alveoli and migrating parasites. a thick wall, infiltrated heavily with mononuclear cells and eosinophils, surroun ...19751152176
hepatozoon sp. infection in mink from southwestern ontario.schizonts of hepatozoon sp. were found in the lungs of 10 of 18 (56%) mink (mustela vison). schizonts were located in microgranulomas within the pulmonary parenchyma, occasionally in peribronchiolar or perivascular sites.1975811814
lesions in mink (mustela vison) infected with giant kidney worm (dioctophyma renale).adult dioctophyma renale occupied the enlarged renal pelvis of the right kidney of naturally infected mink. lesions in the kidney parenchyma consisted of connective tissue proliferation in the interstitial tissue, tubular atrophy and fibrosis, and periglomerular fibrosis. the luminal surface of the renal pelvis wall was formed of numerous papillae covered with transitional epithelium. the nematodes in the lumen were bathed in an albuminous fluid containing red blood cells, epithelial cells and d ...1976130503
mustelan, the malodorous substance from the anal gland of the mink (mustela vison) and the polecat (mustela putorius). 1976822756
histological changes in the gonads of the american mink during postnatal development. 19761008023
radioactivity in urine and feces of mink (mustela vison) treated with [14c] aflatoxin b1.excretion of radioactivity by mink (mustela vison) during 7 days after intraperitoneal injection of two different amounts of aflatoxin b1 was studied. male mink that received a single dose of 25 mug aflatoxin b1/kg body weight excreted an average of 89.5% of administered radioactivity (56.8% via feces, 32.7% via urine); whereas female mink excreted an average of 85% (63.6% via feces, 21.4% via urine) of administered radioactivity during the 7-day period. male and female mink given 150 mug aflato ...1976947315
[pituitary control of follicle maturation in farm mink (mustela vison dom.)]. 19761023566
growth of mink (mustela vison) kits when nursing dams given aflatoxin g1.during lactation, 5 female mink (mustela vison) were given 50 mug of aflatoxin b1 orally twice, 2 weeks apart. another group of 5 lactating mink were used as controls, milk was collected 24 hours after each treatment with toxin. aflatoxin b1 and m1 could not be detected in the milk. there was no appreciable difference in body weight among kits that nursed treated mink and those that nursed untreated mink.1976984565
[position of the embryos of american mink in the fetal chamber at different stages of development].the spacial position of american mink embryos is characterized by regular changes and is associated with the development and formation of provisory embryonic organs and the uterus. after the implantation the longitudinal axis of the embryo's body lies perpendicularly towards the long axis of the uterus horn. from the end of the 22nd day till birth the embryo moves along the antimesometral side of the fetal chamber by rotation counter clockwise relative to the point of attachment of the alantois ...19761029432
mortality and some biochemical changes in mink (mustela vison) given sublethal doses of aflatoxin each day.two feeding trials were done to study the susceptibility of mink (mustela vison) to multiple sublethal doses of aflatoxins. in the 1st trial, twenty 3-month-old male mink were divided equally among groups. each mink in groups 1, 2, 3, and 4 was given a meatball daily that contained 15, 30, 45, or 0 mug of aflatoxins (b1:g1, 40:60), respectively. all mink in group 3 died between the 25th and the 30th days of the feeding trial. each mink had ingested 1,035 to 1,480 mug of aflatoxins. four of the m ...1976984552
experimental acute aflatoxicosis in mink (mustela vison).susceptibility of mink to intoxication by aflatoxins was studied by giving mink single doses (300, 600, and 900 mug of aflatoxins b1 and g1 (40:60)/kg of body weight) and observing them for 8 weeks. one, 2, and 4 of 5 mink in each group died within 4 days after ingesting the small, medium, and large doses, respectively. enlarged liver with pale yellow to yellowish pink spots was the most consistent lesion observed in mink that died of acute aflatoxicosis. some lobules of liver also appeared hemo ...1976984551
mercury poisoning in a wild mink.mercury poisoning was diagnosed in a clinically-ill wild mink (mustela vison) on the basis of clinical signs, histopathologic lesions and tissue mercury concentrations. the probable source of mercury was through ingestion of fish from the nearby south saskatchewan river which is known to be contaminated with mercury. this is believed to be the first documented case of mercury intoxication of a wild animal in north america.197616498872
autoradiographic demonstration of the pattern of 3h-estradiol concentrating cells in the brain of a carnivore, the mink, mustela vison. 1977563687
the influence of the ph of feed on the acid-base balance of mink.the acid-base balance in small carnivores (mink, mustela vison) was examined during 6 feeding periods, when the same animals were given different feeds during a prolonged time. the feeds consisted of normal farm feed to which different amounts of sulphuric acid-preserved feed and feed silaged with organic acids were added (tables i--ii). when the ph of the feed was decreased to below 5.5, the acid-base balance of the animals was changed and metabolic acidosis occurred (tables iii--v, fig. 1). on ...197722843
anticoccidial activity of eight compounds in domestic mink.eight compounds were tested for anticoccidial activity in 44 domestic mink (mustela vision). a treatment group consisted of 4 mink exposed to 2 inoculumns of sporulated oocysts on day 0 and day 22 of the experiments. each inoculum contained 2,000 isospora laidlawi, 2,000 eimeria vision, and 2,000 eimeria sp. one compound was administered to each treatment group; a control of 4 juvenile mink and a control group of 4 adult mink were designated. all treatments were given each day for 30 days after ...1977851272
anatomy of the retina of the mink (mustela vison).the retina of the normal pigmented mink has been studied by light and electron microscopy. this retina resembles the typical vertebrate retinia in its patterns of lamination and synaptic interconnectivity. rod and cone outer segments and receptor spherule and pedicle endings are found. at least two different types of horizontal cell processes are seen with the electron microscope, suggestive of rabbit a and b types. ribbon and conventional synapses are found in both plexiform layers; conventiona ...1977856884
high plasma cholesterol in mink (mustela vison) without atherosclerosis.mink fed a commercial ration moderately high in cholesterol or fed a cholesterol-free semipurified diet have plasma cholesterol-free semipurified diet have plasma cholesterol concentrations similar to that found in human beings living in industrialized countries. in contrast with human beings, 80% of the plasma cholesterol in mink is carried in the high density lipoprotein fraction. aortas and coronary arteries from animals up to 8 yr old were found to be free of fatty streaks and atheroscleroti ...1977189781
response of mink (mustela vison) to larval anisakis simplex (nematoda: ascaridida). 1977562861
endogenous mink (mustela vison) type c virus isolated from sarcoma virus-transformed mink cells.a previously described type virus stock (designated pp-1r), isolated by cocultivating baboon cells with mink cells transformed by kirsten sarcoma virus (64j1), has been further cloned and characterized. end point-diluted stocks of pp-1r have been obtained that are free of focus-forming activity and lack both kirsten sarcoma and primate type c viral sequences. nucleic acid hybridization experiments show that the cloned virus (milv) is an endogenous, genetically transmitted virus of the mink (mus ...197876684
metabolizable energy requirement for maintenance and body composition of growing farm-raised male pastel mink (mustela vison).the requirement of metabolizable energy (me) for maintenance was studied in 31 male pastel farm-raised mink. the procedure used was a body balance regression technique that included an initial baseline group, a group allowed feed ad libitum, and a group allowed feed at the level of 65% of average intake of the ad libitum animals. the requirement for me was 147.8 +/- 6.06 kcal/wtkg 0.734/day. this value falls within the range of estimates of maintenance requirements noted for younger animals of o ...1978722343
relation between daylight ratio, plasma progesterone levels and timing of nidation in mink (mustela vison).mink were mated between 17 february and 22 march. in females kept in natural daylight concentrations of progesterone, measured by radioimmunoassay, began to rise between 25 and 30 march, whatever the date of mating. after reaching peak values of 40--160 ng/ml, progesterone concentrations decreased before the end of pregnancy. in females given 14 h light/24 h immediately after mating, the rise of progesterone began a few days earlier, indicating that the extra light induces earlier progesterone s ...1978712700
histological studies on the kinetics of the spermatogenesis in the mink (mustela vison). vii. cellular association in the seminiferous epithelium in the pre-breeding season (16 months old). 1978691917
comparative aerial and underwater visual acuity of the mink, mustela vison schreber, as a function of discrimination distance and stimulus luminance.the aerial threshold visual angle of mink rose from 15.4 min at 10 cm stimulus distance to 19.1 min at 90 cm and the underwater angle varied from 32.7 min at 10 cm to 46.6 min at 90 cm, all at 34 ml luminance. at constant 30 cm stimulus distance, the aerial angle rose from 15 min at 34 ml to 51.7 min at 0.012 ml, the underwater angle from 31.4 min at 34 ml to 95 min at 0.012 ml, the aerial and underwater data forming similar curves. if mink hunt in water at somewhat higher light levels than in a ...1978637372
orienting behaviour during aerial and underwater visual discrimination by the mink (mustela vison schreber).orienting responses by mink during aerial and underwater visual discrimination tests were most frequent when the grating lines subtended angles at the eye near the visual threshold angle. factorial analysis showed that in air and in water at ranges from 10 to 90 cm most responses occurred at 30 cm discrimination distance and more occurred to marginally supra-threshold than to marginally sub-threshold stimuli. between media, more responses occurred in air than in water. at longer ranges the mink ...1978637369
[morphology and biochemistry of various mustelidae. 2. effect of different blood collection technics on various plasma enzyme activities in mink (mustela vision schreber, 1777)].blood sampling by catheterisation of the abdominal aorta to test plasma haemoglobin and various plasma enzyme activities was compared with two other blood sampling techniques and their application to farm-kept minks under general anaesthesia, cardiac puncture and tail-tip amputation. the plasma haemoglobin values in plasma obtained from the abdominal aorta were significantly lower than those recorded from the two other blood sampling techniques, which applied to plasma enzyme activities, as well ...1978749738
the ultrastructure of mink (mustela vision) spermatozoa. 1979519553
the annual reproductive cycle of mink (mustela vison). 1979528418
characterization of a retrovirus isolated from normal mink cells co-cultivated with a dog mammary tumour.a retrovirus antigenically distinct from known type c, b and d viruses was isolated from normal mink (mustela vison) lung cells that had been co-cultivated with 5-iododeoxyuridine- and dexamethasone-treated dog mammary tumour cells. cytogenetic studies of the virus-releasing co-culture showed mitotic figures identical to the normal mink cell line (mvllu) with the exception of a low frequency of cells with extensive chromosomal breakage and uncoiling. the new virus bands at a buoyant density of 1 ...197983351
staphylococcus aureus mastitis in nursing mink affected with aleutian disease.an outbreak of staphylococcal mastitis in nursing female ranch mink (mustela vison) is described. lesions were acute necrotizing mastitis, fatty infiltration of the liver and renal tubules, and adrenal cortical hyperplasia. the presence of aleutian disease in the herd suggests a role of immunosuppression in the outbreak.1979574903
susceptibility of mink to certain viral animal diseases foreign to the united states.mink (mustela vison) were inoculated with viruses: african horse sickness (ahs), african swine fever (asf), bovine herpes virus ii (bhv2), foot-and-mouth disease (fmd), goat pox (gp), hog cholera (hc), peste des petits ruminants (ppr), rinderpest (rp), swine vesicular disease (svd), vesicular exanthema of swine (ves) and vesicular stomatitis (vs). their susceptibility was measured by development of clinical signs, virus isolation and detection of precipitin and/or virus neutralizing antibodies. ...1979228092
abnormal retino-geniculate and geniculo-cortical pathways in several genetically distinct color phases of the mink (mustela vison).several genetically distinct color phases of mink, which all show an abnormal reduction of pigment in the retinal pigment epithelium and which also show abnormalities of the retinofugal pathways, have been studied. autoradiographic methods have been used to demonstrate the retino-geniculate pathways, and retrograde degeneration or the retrograde transport of horseradish peroxidase has been used for the geniculo-cortical pathways. the retino-geniculate abnormality is mild in some of the color pha ...1979447875
a syndrome of hereditary tyrosinemia in mink (mustela vison schreb.).a hereditary disease in mink (mustela vison schreb.) leading to death when the affected kits are about six weeks old has been investigated. the disorder is inherited as a simple autosomal recessive character. strongly elevated plasma tyrosine concentration is an outstanding feature of the disease. an enzyme defect in tyrosine aminotransferase (ec 2.6.1.5) or 4-hydroxyphenylpyruvate dioxygenase (ec 1.13.11.27) is considered together with the possibility of a parallel between the disease in mink a ...1979487250
[seasonal changes of testicular function in two mustelids : ferret (mustela furo l.) and mink (mustela vison s.) (author's transl)]. 1979501662
anaesthesia of the ranch mink (mustela vison) and ferret (mustela putorius furo). 1979538879
tyrptic peptide compositions of hemoglobins from mink (mustela vison) and hyena (hyaenae hyaenae) and the alpha-chain of coatimundi (nasua nasua).the amino acid composition of the tryptic peptides from hyena hemoglobin, two hemoglobins of the mink and the alpha-chain of coatimundi have been determined, allowing comparison with data previously obtained from other carnivores. the two hemoglobins of mink differ at only one amino acid residue, alpha 15, which is glycyl in one hemoblobin and aspartyl in the other.1979500372
[morphology and biochemistry of blood of various mustelids. 4. determination of various metabolites in the arterial plasma of mink--principles of the preparation of standard values for laboratory diagnosis in farm mink (mustela vison schreber, 1777)].an account is first given of latest knowledge on how to determine clinico-diagnostic applicability of certain metabolites in mink plasma and serum. then, statistically treated results obtained from analysis of levels of total protein, albumin, creatinine, urea, total cholesterin, triglyceride, and total bilirubin are tabulated and discussed, with due consideration being given to sexual dimorphism, following determination of those values from arterial plasma of 118 male and 124 female minks, aged ...19807212937
[morphology and biochemistry of blood of various mustelids. 3. enzymographic studies of arterial plasma of mink (mustela vison schreber, 1777)].twelve different enzyme activities, which are listed and explained in greater detail in table 2, were determined statistically secured, and discussed, following a three-year study into arterial plasma of 118 female and 124 male minks, aged between six and seven months and kept under anaesthesia. simply normally distributed or logarithmically distributed plasma enzyme activities were found to differ primarily by sex, with other experimental conditions being identical and regular. the enzyme activ ...19807011244
occurrence of dioctophyma renale (goeze, 1782) in mink from north dakota.a total of 1185 mink (mustela vison) from north dakota was examined for dioctophyma renale. two specimens of the nematode were found and represent the first report of this parasite in north dakota.19806447804
pseudomonas aeruginosa. iv. iv. pyocine typing of strains isolated from the blue fox (alopex lagopus), mink (mustela vison), and dog (canis familiaris) and from their environment.investigation of a total of 354 ps. aeruginosa strains by "active" pyocine typing, using govan & gillies' indicator strains (21, 24) by which it may be possible to demonstrate the sources and routes of pseudomonas infection revealed that: (1) of the isolated pyocine-producing types 85.5% could be fitted into govan & gillies' classification, (2) 11.1% of all strains tested did not produce pyocine, (3) p3 was the only pyocine type isolated from an enzootic of fatal, haemorrhagic pneumonia in exper ...19806770343
advanced implantation in mink (mustela vison) treated with medroxyprogesterone acetate during early embryonic diapause.adult and pubertal female mink mated on 4 march were administered 2.5 mg medroxyprogesterone acetate (mpa) or control vehicle on 9-11 march. pregnancies were shorter (p less than 0.01) in adult (60 +/- 2 days) than in pubertal (72 +/- 0.7 days) control animals. treatment with mpa reduced (p less than 0.01) the length of pregnancy in both adult (51 +/- 1 days) and pubertal (60 +/- 2 days) mink but did not significantly affect serum progesterone levels on 3-4 april. observations at laparotomy duri ...19807359464
induction of autumn moult in mink (mustela vison peale and beauvois) with melatonin.adult female mink, living in natural conditions of temperature and photoperiod, were treated by melatonin implants in mid-july, when the summer coat was in its resting stage. as a result, a moult was induced 5 to 6 weeks before the normal time; its showed the characteristics of an autumn moult as observed by the gradient of hair changes over the body and the high number of hair follicles per bundle (47 p. 100 more than in the summer coat). the winter coats produced in this way were mature in the ...19807349416
[biology of the female reproductive tract of the mink, mustela vison schreeber, 1777. i. morphology of the endometrium during anestrous].the mink uterus (corpus uteri and cornua uteri) during anestrous was examined by sem and tem. the endometrium of the uterine horn forms 5 longitudinal mounds and a sequence of circularly arranged mucosal pillows on the antimesometrial side of the horn. up to 8 longitudinal mounds, however, may appear in the corpus uteri. the epithelial cells of the endometrium are characterized by extended depots of glycogen, sometimes disintegrated by electronopaque areas. numerous elongated mitochondria are lo ...19807193985
use of artificial light and day length to alter the life cycles of mink.mink (mustela vison) that had been raised on a farm were abruptly changed from ambient light at 42 degrees n latitude to an artificial light regimen corresponding to 45 degrees s latitude. the study was continued for 3 years and included three generations of mink. animals were raised in a light-controlled room with partial temperature control that kept the temperatures between -3 and 26 c. light schedules were changed weekly to correspond with changing day length. after an initial transition per ...19807400054
[diallelic locus controlling the ld-allotypes of low-density lipoprotein in mink (mustela vison schr.) serum]. 19807398536
control of luteal function and implantation in the mink by prolactin.mink (mustela vison) were treated during the period of embryonic diapause with prolactin or ergocryptine (cb-154). prolactin advanced implantation time and hastened onset of luteal phase progesterone secretion. duration of gestation in prolactin-treated adult mink was shorter than that of control mink. ergocryptine had the opposite effects, prolonging gestation and inhibiting onset of luteal phase progesterone secretion. prolactin is suggested to be the luteotrophin necessary for termination of ...19806893195
aspects of skull and dentition morphology of the mink (mustela vison).the skull morphology of the mink (mustela vison schreb) based on a sample of 97 (56 male and 41 female) mink, ranch bred and aged between 7 months to 2 years has been examined to provide the characteristic features of an inbred colony whose ingress into the natural environment by escapes of releases has led to a viable feral population. behavioural adaptation including breeding of the feral group is confirmed and the need for a cranial morphological base line is therefore paramount if cranial mo ...19807395552
the black mink (mustela vison). a natural model of immunologic male infertility.breeding for fine black fur has generated a colony of mink wherein 20-30% of the males are infertile. two clinical groups are distinguishable: one being infertile from the start (primary infertility), and the other infertile after one or more years of fertility (secondary fertility). although the etiology of primary infertility is unknown, the available data indicate that secondary infertility is associated with an autoimmune disease of the testis. thus, male mink with secondary infertility have ...19816116740
observations on the induction of ovulation and expulsion of uterine eggs in the mink, mustela vison.in 8 of 12 mink paired for the first time, pairing alone induced ovulation and a short (5 min) interrupted mating led to 8/8 ovulating with normal numbers of corpora lutea. however, in already mated mink, a short mating (day 7) failed completely or partly (reduced number of ovulations) to induce ovulation. in mink which refused to mate, hcg consistently induced ovulation. in already mated mink (day 0) a later mating (day 7), even if interrupted after 5 min, led to expulsion of the first set of e ...19817277325
common occurrence of urethral cysts in older female ranch mink.cysts were found often in the proximal urethra of female sapphire and pastel mink, mustela vison, examined at necropsy during studies on slow viral diseases. their prevalence, the same in both color phases, was age-dependent. they occurred in less than 2% of females under 2 years old but in more than 60% of those over 7 years old. the cysts varied from ovoid vesicles 3 to 4 mm long to multilocular masses 10 to 15 mm across that greatly distended the proximal urethra and sometimes occluded it. sm ...19817197079
interspecific distribution of allotypic mink (mustela vison) igg antigens.the antigenic specificities of six (1--6) igg allotypes of the domestic mink were tested in the sera of closely related species of mustelidae family and distant mammalian species. it was found that allotypes 1 and 5 are ancient. their antigenic specificities were established not only in mustelidae, but also in other taxonomic orders of mammals. allotypes 3 and 2 are phylogenetically younger; they were detected only in mustelidae. allotypes 4 and 6 appear to be unique to the domestic mink. the in ...19816168706
duration of copulation and fertility in the mink, mustela vison.in mink, restricting the duration of copulation (<or=6 min) results in reduced fertility, either due to too few spermatozoa being ejaculated or defective sperm transport (4). the objective of the present work was to determine the effect on fertility of prolonging mating using a sterile male. when copulation was restricted to 5 min, only 3/14 mink whelped, and in 2 of the 3 cases the litter size was well below normal. the use of a vasectomized male, either before or after the intact male, caused ...198116725604
the role of prolactin and lh in luteal function and blastocyst growth in mink (mustela vison). 19816939861
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