geoscience.net logo
+ Resolve Article
+ Follow Us
Follow on FacebookFollow on Facebook
Follow on TwitterFollow on Twitter

+ Translate
+ Subscribe to Site Feed
GeoScience Most Shared ContentMost Shared Content

A method of sire evaluation for dichotomies


, : A method of sire evaluation for dichotomies. Journal of Animal Science 51(6): 1266-1271

In this paper, the following problems associated with genetic evaluation of categorical traits by linear models are discussed: (1) Scores are arbitrarily assigned to response categories. (2) Mixed model solutions do not incorporate the restriction in the estimation space that the sum of response probabilities must total 1 across categories (3) The variance in the observed scale is not constant and depends on the genotypic value of the candidates for selection. (4) The additive genetic variance in the observed scale depends on the mean incidence of the character in the subpopulations considered in the model. (5) Nonadditive genetic variation is present in the observed scale. (6) Linear relationships fail outside a restricted range of the data. (7) Ranking optimality of best linear predictors is lacking when the conditional expectation of the predictand given the data is not linear. A method of sire evaluation of dichotomies based on a log-linear model is introduced, its properties are discussed and examples are presented.

US$29.90

PMID: 7204270


Other references

Riccabona, M.; Grubbauer, H.M., 1994: Ultrasound diagnosis of parapharyngeal abscess in infancy. An ultrasound examination in a 18-month old boy with sudden respiratory obstruction revealed a huge parapharyngeal abscess which was confirmed via magnetic resonance tomography and on operation. Even in young infants high resolution sonography can...

Hamelmann, H., 1960: On surgery of harelip and cleft palare using the Schweckendiek technic. Langenbecks Archiv für Klinische Chirurgie ... Vereinigt Mit Deutsche Zeitschrift für Chirurgie 295: 890-893

Ar'ev, T.Ia., 1967: Problems of burns in the USSR. Khirurgiia 43(10): 98-103

Borsi S.; Hieke Merlin O.; Lorenzoni S.; Paglionico A.; Zanettin Lorenzoni E., 1976: Stilo Unit and dioritic-kinzigitic unit in Le Serre (Calabria, Italy); geological, petrological, geochronological characters. Bollettino della Societa Geologica Italiana 95(1-2): 219-244

Campo, P.; Blachère, V.; Payan, J.P.; Cossec, B.; Ducos, P., 2006: Toluene toxicokinetics and metabolism parameters in the rat and guinea pig. Cochlear disruptions induced by toluene were shown in the rat but not in the guinea pig. To better understand the differences between species, three investigations were carried out to study (1) the blood affinity and the pulmonary uptake of the so...

Thiriart, C.; Francotte, M.; Cohen, J.; Collignon, C.; Delers, A.; Kummert, S.; Molitor, C.; Gilles, D.; Roelants, P.; van Wijnendaele, F., 1989: Several antigenic determinants exposed on the gp120 moiety of HIV-1 gp160 are hidden on the mature gp120. Mouse mAb reactive to the HIV-1 envelope glycoprotein precursor gp160 of the HTLVIII(B) isolate were characterized in radioimmunoprecipitation and immunoblot tests with the use of HTLVIII(B) isolate as Ag. The reactivities of these mAb were also m...

Haug, A., 1976: The influence of borate and calcium on the gel formation of a sulfated polysaccharide from Ulva lactuca. The water-soluble, sulfated polysaccharide isolated from Ulva lactuca, forms a soft gel when dialysed against sea-water, provided the polysaccharide concentration is 1% or higher and the pH above 7.5. The components of sea-water needed for this ge...

Armonda, R.A.; Vo, A.H.; Dunford, J.; Bell, R.S., 2006: Anesthesia for endovascular neurosurgery. Endovascular neurosurgical procedures are complex, requiring significant planning, foresight, and coordination. The neuroanesthetist is an integral part of these procedures, organizing efforts of the technicians and nurses and responding to the ne...

Wang, M.H.; Chang, H.P.; Chao, H.C.; Chou, P.J.; Kuo, C.C.; Tsai, H.J.; Lee, S.Y.; Tam, W.M.; Wang, F., 2007: Quadruple-bend achromatic low emittance lattice studies. A quadruple-bend achromatic (QBA) cell, defined as a supercell made of two double-bend cells with different outer and inner dipole bend angles, is found to provide a factor of 2 in lowering the beam emittance relative to the more conventional doub...

Trotti, L.M., 2016: Waking up is the hardest thing I do all day: Sleep inertia and sleep drunkenness. NlmCategory="UNASSIGNED">The transition from sleep to wake is marked by sleep inertia, a distinct state that is measurably different from wakefulness and manifests as performance impairments and sleepiness. Although the precise substr...