Lista de obras -

A model of litter size distribution in cattle ⬇️

artículo científico publicado el 1 de julio de 1998

A search for quantitative trait loci for ovulation rate in cattle

artículo científico publicado en 1996

Abnormal collagen assembly, though normal phenotype, in alginate bead cultures of chick embryo chondrocytes.

artículo científico publicado en 1999

Adjustment factors for carcass, gain and feed traits of beef cattle

artículo científico publicado en 1966

Age and Weight at Puberty and Conception in Different Breeds and Breed-Crosses of Beef Heifers ⬇️

artículo científico publicado el 1 de junio de 1972

An Analysis of Reproductive Traits in Beef Cattle ⬇️

artículo científico publicado el 1 de junio de 1973

Bayesian analysis of twinning and ovulation rates using a multiple-trait threshold model and Gibbs sampling ⬇️

artículo científico publicado el 1 de agosto de 1998

Between- and within-breed genetic analysis of calving traits and survival to weaning in beef cattle

artículo científico publicado en 1986

Breed effects and heterosis in advanced generations of composite populations for birth weight, birth date, dystocia, and survival as traits of dam in beef cattle

artículo científico publicado en 1991

Breed effects and heterosis in advanced generations of composite populations for growth traits in both sexes of beef cattle

artículo científico publicado en 1991

Breed effects and heterosis in advanced generations of composite populations for preweaning traits of beef cattle

Breed effects and heterosis in advanced generations of composite populations for puberty and scrotal traits of beef cattle

artículo científico publicado en 1991

Breed effects and heterosis in advanced generations of composite populations for reproduction and maternal traits of beef cattle

Breed effects and heterosis in advanced generations of composite populations on actual weight, adjusted weight, hip height, and condition score of beef cows ⬇️

artículo científico publicado el 1 de junio de 1992

Breed effects and retained heterosis for growth, carcass, and meat traits in advanced generations of composite populations of beef cattle

artículo científico publicado en 1994

Breed effects, dietary energy density effects, and retained heterosis on different measures of gain efficiency in beef cattle

artículo científico publicado en 1994

Breed effects, retained heterosis, and estimates of genetic and phenotypic parameters for carcass and meat traits of beef cattle

article

Characterization of Biological Types of Cattle (Cycle II) II. Postweaning Growth and Puberty of Heifers1 ⬇️

artículo científico publicado el 1 de marzo de 1979

Characterization of Biological Types of Cattle-Cycle III: I. Birth and Weaning Traits2,6 ⬇️

artículo científico publicado el 1 de febrero de 1979

Characterization of biological types of cattle (cycle III). IV. Postweaning growth and feed efficiency

artículo científico publicado en 1984

Characterization of biological types of cattle I. Dystocia and preweaning growth

artículo científico publicado el 1 de julio de 1976

Characterization of biological types of cattle IV. Postweaning growth and puberty of heifers

artículo científico publicado el 1 de julio de 1976

Characterization of breeds of Bos indicus and Bos taurus cattle for maternal and individual traits

artículo científico publicado en 1985

Comparison of Bos taurus-Bos indicus breed crosses with straightbred Bos indicus breeds of cattle for maternal and individual traits

artículo científico publicado en 1985

Comparison of models for estimation of genetic parameters for mature weight of Hereford cattle

artículo científico publicado en 2002

Concentrations of insulin-like growth factor-I in blood and ovarian follicular fluid of cattle selected for twins

artículo científico publicado en 1990

Contributions of ovum cytoplasm, uterine environment and postnatal environment to maternal effects in beef cattle

artículo científico publicado en 1990

Crossbreeding cattle in beef production programmes in Kenya. I. Comparison of purebred Boran and Boran crossed with the Charolais, Ayrshire and Santa Gertrudis breeds

artículo científico publicado en 1984

Crossbreeding cattle in beef production programmes in Kenya. II. Comparison of purebred Boran and Boran crossed with the Red Poll and Santa Gertrudis breeds

artículo científico publicado en 1984

Crossbreeding in Beef Cattle: Evaluation of Systems1

Cumulative selection and genetic change for weaning or yearling weight or for yearling weight plus muscle score in Hereford cattle

artículo científico publicado en 1994

Differences in heritability estimates from multiple-trait and repeated-records models ⬇️

artículo científico publicado el 1 de octubre de 1992

Direct and maternal genetic covariances by age of dam for weaning weight

artículo científico publicado en 1996

Direct and maternal genetic responses to selection for weaning or yearling weight or for yearling weight and muscle score in Hereford cattle

artículo científico publicado en 1995

Economic evaluation of heterosis and culling policies for lifetime productivity in Hereford, Angus, shorthorn, and crossbred cows

artículo científico publicado en 1992

Effects of Early Weaning on Postpartum Reproduction of Cows ⬇️

artículo científico publicado el 1 de abril de 1973

Effects of Heterosis on Maternal Performance and Milk Production in Hereford, Angus and Shorthorn Cattle ⬇️

artículo científico publicado el 1 de abril de 1974

Effects of Heterosis on Reproduction in Hereford, Angus and Shorthorn Cattle2 ⬇️

artículo científico publicado el 1 de abril de 1974

Effects of age, weight, and fat slaughter end points on estimates of breed and retained heterosis effects for carcass traits

artículo científico publicado en 2006

Effects of breed and retained heterosis on milk yield and 200-day weight in advanced generations of composite populations of beef cattle

artículo científico publicado en 1992

Effects of breed group by location interaction on crossbred cattle in Nebraska and Florida

artículo científico publicado en 1991

Effects of inbreeding and heterosis in Hereford females on fertility, calf survival and preweaning growth

artículo científico publicado en 1989

Effects of late castration, zeranol and breed group on growth, feed efficiency and carcass characteristics of late maturing bovine males

artículo científico publicado en 1983

Effects of ovulation rate and fetal number on fertility in twin-producing cattle

artículo científico publicado en 2007

Effects of twinning on dystocia, calf survival, calf growth, carcass traits, and cow productivity

artículo científico publicado en 1996

Effects of twinning on gestation length, retained placenta, and dystocia

Effects of twinning on postpartum reproductive performance in cattle selected for twin births

article by S E Echternkamp & Keith E. Gregory published January 1999 in Journal of Animal Science

Efficient GFP expression in the mushrooms Agaricus bisporus and Coprinus cinereus requires introns.

artículo científico publicado en 2005

Environmental effects on neonatal mortality of beef calves

artículo científico publicado en 1993

Estimates of genetic parameters for 320-day pelvic measurements of males and females and calving ease of 2-year-old females

article

Estimation of direct and maternal breed effects for prediction of expected progeny differences for birth and weaning weights in three multibreed populations

artículo científico publicado en 1997

Estimation of direct, maternal, and grandmaternal genetic effects for weaning weight in several breeds of beef cattle

artículo científico publicado en 1999

Factors Influencing Peri- and Early Postnatal Calf Mortality ⬇️

artículo científico publicado el 1 de noviembre de 1973

Factors affecting dystocia and the effects of dystocia on subsequent reproduction in beef cattle

scientific article published on 01 April 1973

Fertility in Beef Cows Bred to Produce Straightbred and Crossbred Calves ⬇️

artículo científico

Genetic (co)variances among birth weight, 200-day weight, and postweaning gain in composites and parental breeds of beef cattle

artículo científico publicado en 1996

Genetic (co)variances for calving difficulty score in composite and parental populations of beef cattle: I. Calving difficulty score, birth weight, weaning weight, and postweaning gain.

artículo científico publicado en 2001

Genetic (co)variances for calving difficulty score in composite and parental populations of beef cattle: II. Reproductive, skeletal, and carcass traits

artículo científico publicado en 2001

Genetic Parameters in Straightbred and Crossbred Beef Cattle ⬇️

artículo científico publicado el 1 de octubre de 1970

Genetic Relationships among Growth and Carcass Traits of Beef Cattle ⬇️

artículo científico publicado el 1 de septiembre de 1971

Genetic Variation in Total and Differential Growth of Carcass Components in Beef Cattle ⬇️

artículo científico

Genetic analysis of bovine respiratory disease in beef calves during the first year of life1 ⬇️

artículo científico publicado el 1 de julio de 1992

Genetic analysis of carcass traits of steers adjusted to age, weight, or fat thickness slaughter endpoints

artículo científico publicado en 2005

Genetic and environmental parameters for ovulation rate, twinning rate, and weight traits in a cattle population selected for twinning.

artículo científico publicado en 1997

Genetic and phenotypic (co)variances for growth and carcass traits of purebred and composite populations of beef cattle ⬇️

artículo científico publicado el 1 de julio de 1995

Genetic and phenotypic (co)variances for production traits of female populations of purebred and composite beef cattle

artículo científico publicado en 1995

Genetic and phenotypic (co)variances for production traits of intact male populations of purebred and composite beef cattle

artículo científico publicado en 1995

Genetic parameters for six measures of length of productive life and three measures of lifetime production by 6 yr after first calving for Hereford cows

scientific article published on 01 July 2004

Genetic parameters for stayability, stayability at calving, and stayability at weaning to specified ages for Hereford cows

artículo científico publicado en 2005

Genetic relationships between scrotal circumference and female reproductive traits

artículo científico publicado en 2003

Genetic response to selection for weaning weight or yearling weight or yearling weight and muscle score in Hereford cattle: efficiency of gain, growth, and carcass characteristics

artículo científico publicado en 2004

Genetic trend and environmental effects in a population of cattle selected for twinning

artículo científico publicado en 1996

Germplasm evaluation in beef cattle--Cycle IV: postweaning growth and puberty of heifers

artículo científico publicado en 1999

Germplasm evaluation in beef cattle-cycle IV: birth and weaning traits

artículo científico publicado en 1998

Heritabilities and phenotypic and genetic correlations for bovine postrigor calpastatin activity, intramuscular fat content, Warner-Bratzler shear force, retail product yield, and growth rate

Heritability estimates and adjustment factors for the effects of bull age and age of dam on yearling testicular size in breeds of bulls

artículo científico publicado en 1988

Heterosis and breed effects on maternal and individual traits of Bos indicus breeds of cattle

Heterosis for lifetime production in Hereford, Angus, shorthorn, and crossbred cows ⬇️

artículo científico publicado el 1 de agosto de 1992

Heterosis for survival and dentition in Hereford, Angus, Shorthorn, and crossbred cows

artículo científico publicado en 1991

Heterosis retained in advanced generations of crosses among Angus and Hereford cattle

Heterosis, additive maternal and additive direct effects of the Red Poll and Boran breeds of cattle

artículo científico publicado en 1982

Increased calf production in cattle selected for twin ovulations

artículo científico publicado en 2007

Influence of postweaning gain interval on estimates of heritability and genetic correlations

artículo científico publicado en 1982

Initial results of genomic scans for ovulation rate in a cattle population selected for increased twinning rate

artículo científico publicado en 2000

Lifetime production of beef heifers calving first at two vs three years of age.

artículo científico publicado en 1991

Mapping quantitative trait loci for bovine ovulation rate

scientific article published on 01 February 2000

Maternal heterosis and grandmaternal effects in beef cattle: postweaning growth and carcass traits

Maternal heterosis and grandmaternal effects in beef cattle: preweaning traits

artículo científico publicado en 1987

Miniature calves ⬇️

artículo científico publicado el 1 de mayo de 1979

Multiple-trait restricted maximum likelihood for simulated measures of ovulation rate with underlying multivariate normal distributions ⬇️

artículo científico publicado el 1 de enero de 1992

Number of calves born, number of calves weaned, and cumulative weaning weight as measures of lifetime production for Hereford cows

artículo científico publicado en 2004

Ovulation rate and twinning rate in cattle: heritabilities and genetic correlation

artículo científico publicado en 1991

Predicting beef carcass cutability1 ⬇️

artículo científico publicado el 1 de febrero de 1995

Prediction of breeding values for twinning rate and ovulation rate with a multiple trait, repeated records animal model ⬇️

artículo científico publicado el 1 de octubre de 1991

Prenatal and postnatal maternal contributions to reproductive, maternal, and size-related traits of beef cattle

artículo científico publicado en 1991

Production characters of the Sahiwal and Ayrshire breeds and their crosses in Kenya

artículo científico publicado en 1982

Relative contributions of subcutaneous and intermuscular fat to yields and predictability of retail product, fat trim, and bone in beef carcasses ⬇️

artículo científico publicado el 1 de junio de 1998

Twinning in cattle: I. Foundation animals and genetic and environmental effects on twinning rate

artículo científico publicado en 1990

Twinning in cattle: II. Genetic and environmental effects on ovulation rate in puberal heifers and postpartum cows and the effects of ovulation rate on embryonic survival

Twinning in cattle: III. Effects of twinning on dystocia, reproductive traits, calf survival, calf growth and cow productivity

article by Keith E. Gregory et al published October 1990 in Journal of Animal Science

Variances of additive and dominance genetic effects for ovulation and twinning rates in a population selected for twinning

artículo científico

Lista de obras de

A model of litter size distribution in cattle ⬇️

A search for quantitative trait loci for ovulation rate in cattle

Abnormal collagen assembly, though normal phenotype, in alginate bead cultures of chick embryo chondrocytes.

Adjustment factors for carcass, gain and feed traits of beef cattle

Age and Weight at Puberty and Conception in Different Breeds and Breed-Crosses of Beef Heifers ⬇️

An Analysis of Reproductive Traits in Beef Cattle ⬇️

Bayesian analysis of twinning and ovulation rates using a multiple-trait threshold model and Gibbs sampling ⬇️

Between- and within-breed genetic analysis of calving traits and survival to weaning in beef cattle

Breed effects and heterosis in advanced generations of composite populations for birth weight, birth date, dystocia, and survival as traits of dam in beef cattle

Breed effects and heterosis in advanced generations of composite populations for growth traits in both sexes of beef cattle

Breed effects and heterosis in advanced generations of composite populations for preweaning traits of beef cattle

Breed effects and heterosis in advanced generations of composite populations for puberty and scrotal traits of beef cattle

Breed effects and heterosis in advanced generations of composite populations for reproduction and maternal traits of beef cattle

Breed effects and heterosis in advanced generations of composite populations on actual weight, adjusted weight, hip height, and condition score of beef cows ⬇️

Breed effects and retained heterosis for growth, carcass, and meat traits in advanced generations of composite populations of beef cattle

Breed effects, dietary energy density effects, and retained heterosis on different measures of gain efficiency in beef cattle

Breed effects, retained heterosis, and estimates of genetic and phenotypic parameters for carcass and meat traits of beef cattle

Characterization of Biological Types of Cattle (Cycle II) II. Postweaning Growth and Puberty of Heifers1 ⬇️

Characterization of Biological Types of Cattle-Cycle III: I. Birth and Weaning Traits2,6 ⬇️

Characterization of biological types of cattle (cycle III). IV. Postweaning growth and feed efficiency

Characterization of biological types of cattle I. Dystocia and preweaning growth

Characterization of biological types of cattle IV. Postweaning growth and puberty of heifers

Characterization of breeds of Bos indicus and Bos taurus cattle for maternal and individual traits

Comparison of Bos taurus-Bos indicus breed crosses with straightbred Bos indicus breeds of cattle for maternal and individual traits

Comparison of models for estimation of genetic parameters for mature weight of Hereford cattle

Concentrations of insulin-like growth factor-I in blood and ovarian follicular fluid of cattle selected for twins

Contributions of ovum cytoplasm, uterine environment and postnatal environment to maternal effects in beef cattle

Crossbreeding cattle in beef production programmes in Kenya. I. Comparison of purebred Boran and Boran crossed with the Charolais, Ayrshire and Santa Gertrudis breeds

Crossbreeding cattle in beef production programmes in Kenya. II. Comparison of purebred Boran and Boran crossed with the Red Poll and Santa Gertrudis breeds

Crossbreeding in Beef Cattle: Evaluation of Systems1

Cumulative selection and genetic change for weaning or yearling weight or for yearling weight plus muscle score in Hereford cattle

Differences in heritability estimates from multiple-trait and repeated-records models ⬇️

Direct and maternal genetic covariances by age of dam for weaning weight

Direct and maternal genetic responses to selection for weaning or yearling weight or for yearling weight and muscle score in Hereford cattle

Economic evaluation of heterosis and culling policies for lifetime productivity in Hereford, Angus, shorthorn, and crossbred cows

Effects of Early Weaning on Postpartum Reproduction of Cows ⬇️

Effects of Heterosis on Maternal Performance and Milk Production in Hereford, Angus and Shorthorn Cattle ⬇️

Effects of Heterosis on Reproduction in Hereford, Angus and Shorthorn Cattle2 ⬇️

Effects of age, weight, and fat slaughter end points on estimates of breed and retained heterosis effects for carcass traits

Effects of breed and retained heterosis on milk yield and 200-day weight in advanced generations of composite populations of beef cattle

Effects of breed group by location interaction on crossbred cattle in Nebraska and Florida

Effects of inbreeding and heterosis in Hereford females on fertility, calf survival and preweaning growth

Effects of late castration, zeranol and breed group on growth, feed efficiency and carcass characteristics of late maturing bovine males

Effects of ovulation rate and fetal number on fertility in twin-producing cattle

Effects of twinning on dystocia, calf survival, calf growth, carcass traits, and cow productivity

Effects of twinning on gestation length, retained placenta, and dystocia

Effects of twinning on postpartum reproductive performance in cattle selected for twin births

Efficient GFP expression in the mushrooms Agaricus bisporus and Coprinus cinereus requires introns.

Environmental effects on neonatal mortality of beef calves

Estimates of genetic parameters for 320-day pelvic measurements of males and females and calving ease of 2-year-old females

Estimation of direct and maternal breed effects for prediction of expected progeny differences for birth and weaning weights in three multibreed populations

Estimation of direct, maternal, and grandmaternal genetic effects for weaning weight in several breeds of beef cattle

Factors Influencing Peri- and Early Postnatal Calf Mortality ⬇️

Factors affecting dystocia and the effects of dystocia on subsequent reproduction in beef cattle

Fertility in Beef Cows Bred to Produce Straightbred and Crossbred Calves ⬇️

Genetic (co)variances among birth weight, 200-day weight, and postweaning gain in composites and parental breeds of beef cattle

Genetic (co)variances for calving difficulty score in composite and parental populations of beef cattle: I. Calving difficulty score, birth weight, weaning weight, and postweaning gain.

Genetic (co)variances for calving difficulty score in composite and parental populations of beef cattle: II. Reproductive, skeletal, and carcass traits

Genetic Parameters in Straightbred and Crossbred Beef Cattle ⬇️

Genetic Relationships among Growth and Carcass Traits of Beef Cattle ⬇️

Genetic Variation in Total and Differential Growth of Carcass Components in Beef Cattle ⬇️

Genetic analysis of bovine respiratory disease in beef calves during the first year of life1 ⬇️

Genetic analysis of carcass traits of steers adjusted to age, weight, or fat thickness slaughter endpoints

Genetic and environmental parameters for ovulation rate, twinning rate, and weight traits in a cattle population selected for twinning.

Genetic and phenotypic (co)variances for growth and carcass traits of purebred and composite populations of beef cattle ⬇️

Genetic and phenotypic (co)variances for production traits of female populations of purebred and composite beef cattle

Genetic and phenotypic (co)variances for production traits of intact male populations of purebred and composite beef cattle

Genetic parameters for six measures of length of productive life and three measures of lifetime production by 6 yr after first calving for Hereford cows

Genetic parameters for stayability, stayability at calving, and stayability at weaning to specified ages for Hereford cows

Genetic relationships between scrotal circumference and female reproductive traits

Genetic response to selection for weaning weight or yearling weight or yearling weight and muscle score in Hereford cattle: efficiency of gain, growth, and carcass characteristics

Genetic trend and environmental effects in a population of cattle selected for twinning

Germplasm evaluation in beef cattle--Cycle IV: postweaning growth and puberty of heifers

Germplasm evaluation in beef cattle-cycle IV: birth and weaning traits

Heritabilities and phenotypic and genetic correlations for bovine postrigor calpastatin activity, intramuscular fat content, Warner-Bratzler shear force, retail product yield, and growth rate

Heritability estimates and adjustment factors for the effects of bull age and age of dam on yearling testicular size in breeds of bulls

Heterosis and breed effects on maternal and individual traits of Bos indicus breeds of cattle

Heterosis for lifetime production in Hereford, Angus, shorthorn, and crossbred cows ⬇️

Heterosis for survival and dentition in Hereford, Angus, Shorthorn, and crossbred cows