Die testikuläre Feminisierung beim Rind als Sterilitätsursache von Färsen

Rieck, G. W.

doi:10.1111/j.1439-0531.1971.tb01558.x

Cited by 6 publications

(4 citation statements)

References 4 publications

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“…The occurrence of male pseudohermaphroditism with the structural features of testicular feminization has been noted in a variety of mammalian species (Bardin et aI., 1970;Bruere et ai., 1969;Kieffer et aI., 1976;Long, 1981;Lyon and Hawkes, 1970;Nes, 1966;Rieck, 1971;Shultz, 1962); however, we have found no such account in the Cetacea. Reports of intersexuality in any form have been rare in cetaceans, although instances have been noted in both extant suborders, the odontoceti (toothed whales) and the mysticeti (baleen whales).…”

Section: Discussionmentioning

confidence: 65%

“…Although recognized in humans since the last century (Bardin and Bullock, 1974), it was not until the studies of Morris (1953) that testicular feminization received measured attention. Various manifestations of this anomaly have been reported in strains of laboratory mice (Lyon and Hawkes, 1970) and rats (Bardin et aI., 1970) as well as in cattle (Long, 1981;Nes, 1966;Rieck, 1971), sheep (Bruere et aI., 1969), horses (Kieffer et aI., 1976), and dogs (Shultz, 1962).…”

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confidence: 95%

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Male Pseudohermaphroditism in the Bowhead Whale, Balaena mysticetus

Tarpley¹,

Jarrell²,

George³

et al. 1995

Journal of Mammalogy

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Examination of two bowhead whales, Balaena mysticetus, revealed an unusual assembly of reproductive structures. Although the external phenotype was female, the gonads were underdeveloped testes. In the more thoroughly studied of the two whales, all derivatives of the mesonephric (wolffian) and paramesonephric (mtillerian) ducts were absent, and there was an apparently normal male karyotype (40 autosomes + XY). These findings suggest a failure of androgen expression consistent with the syndrome of complete testicular feminization reported in other species. Structural comparisons with two normal male bowheads confirm abnormal development in the two affected whales.

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Section: Discussionmentioning

confidence: 65%

mentioning

confidence: 95%

Male Pseudohermaphroditism in the Bowhead Whale, Balaena mysticetus

Tarpley¹,

Jarrell²,

George³

et al. 1995

Journal of Mammalogy

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“…The male co-twin is generalIy normal and fertile whereas the female co-twin despite an external normal appearance, is sterile and has hypoplastic and/or masculinized internal genitalia. A few cases of XY intersexes have also been described such as gonadal dysgenesis (Henricson & Akesson, 1967;Chapman et al, 1978;Sharma et al, 1980;McMillan et al, 1984), true hermaphrodites (Switonski et al, 1985) and male pseudohermaphrodites (Nes, 1966;Rieck, 1971;Gustavsson et al, 1981;Sysa et al, 1974;Long & David, 1981). All these animals exhibit a female external phenotype, but differ by their internal genitalia, their gonadal morphology and their karyotype (XX/XY for freemartinism and XY for the other cases).…”

Section: Introductionmentioning

confidence: 99%

Cytogenetic, Anatomical, Histological and Hormonal Study of a Female Pseudohermaphrodite Cow

Cribiu

Chaffaux

Durand

et al. 1989

Reprod Domestic Animals

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“…24 Syndactyly has also been reported in Europe affecting Simmental, German Red Pied, Danish Hol-stein-Friesians (from an American Holstein bull), and crosses of a Swedish Friesian male with Swedish Redand-White ϫ Czech Pied females, as well as in Japanese native and improved black cattle. [13][14][15]23,25 In this report, we describe syndactyly in Angus cattle and compare it with syndactyly in Holstein cattle.…”

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Hereditary Syndactyly in Angus Cattle

Leipold

Schmidt

Steffen³

et al. 1998

J VET Diagn Invest

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Abstract. Twenty-five syndactylous Angus cattle, characterized pathologically, were reported from 16 herds in 10 states from 1979 to 1994. Twenty-one (84%) had all 4 legs syndactylous, 3 (12%) had 3 legs syndactylous, and 1 (4%) had 2 legs syndactylous. All syndactylous cattle walked with considerable difficulty. Hooves of aged animals became curled and bent laterally or medially. Affected hooves had the appearance of a truncated cone, the base of which was located at the coronary band. Most hooves were fused completely with no indication of dual anlage. An occasional hoof had a distal notch, and other hooves had a dorsally located groove indicating dual embryonic origin. Lateral dewclaws were enlarged in most cases. Radiographs and dissections of limbs of 19 animals revealed a consistent pattern of fusion in most affected calves. Lesions included 1 or more of the following: disappearance of the large metacarpal and metatarsal intertrochlear notches, horizontal fusion of 1 or more carpals and tarsals, fusion of proximal sesamoids, 1 distal sesamoid, and fusion of paired phalanges. Evidence of a genetic cause consisted of 11 syndactylous calves among 70 offspring of 4 3/4 sib families, 8 preterm syndactylous fetuses among 148 preterm fetuses and 13 calves in progenies of 19 animals tested for possible heterozygosity, and 5 syndactylous calves from matings of an Angus syndactylous bull with 1 Angus and 4 Holstein syndactylous cows. Data were consistent with recessive inheritance at a single locus. Angus cattle with sydactytly had a larger number of affected limbs than did syndactylous Holsteins and their Angus crosses, suggesting existence of 2 recessive alleles. The allele of Holsteins (sy H ) appeared to influence phenotypic expression in a dominant pattern over the Angus allele (sy A ). Both sy A and sy H alleles acted as reccessives to the normal SY allele. Phenotypic effects on limb development were most dramatic in calves with the sy A /sy A genotype.

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Die testikuläre Feminisierung beim Rind als Sterilitätsursache von Färsen

Cited by 6 publications

References 4 publications

Male Pseudohermaphroditism in the Bowhead Whale, Balaena mysticetus

Male Pseudohermaphroditism in the Bowhead Whale, Balaena mysticetus

Cytogenetic, Anatomical, Histological and Hormonal Study of a Female Pseudohermaphrodite Cow

Hereditary Syndactyly in Angus Cattle

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