Biography 

George H. Hart, 1883-1959: a brief biography

H. Heitman, Jr and R. C. Laben
J. Anim Sci. 1990 68: 1809-1811.  

Journal Article 

Relative calving date of first-calf heifers as related to production efficiency and subsequent reproductive performance

D. M. Marshall, W. Minqiang, and B. A. Freking
J. Anim Sci. 1990 68: 1812-1817. [Abstract] [PDF]  

Relationships of empty-body composition and fat distribution to live animal and carcass measurements in Bos indicus-Bos taurus crossbred cows

J. W. Holloway, J. W. Savell, P. L. Hamby, J. F. Baker, and J. R. Stouffer
J. Anim Sci. 1990 68: 1818-1826. [Abstract] [PDF]  

Effects of energy supplementation on lamb production of Javanese thin-tail ewes

A. A. Reese, S. W. Handayani, S. P. Ginting, W. Sinulingga, G. R. Reese, and W. L. Johnson
J. Anim Sci. 1990 68: 1827-1840. [Abstract] [PDF]  

Estimation of direct and maternal genetic variance for litter size in Canadian Yorkshire and Landrace swine using an animal model

O. I. Southwood and B. W. Kennedy
J. Anim Sci. 1990 68: 1841-1847. [Abstract] [PDF]  

Feed intake, weaning weight and net returns comparisons for four breeding systems

S. L. Armstrong, J. W. Wilton, L. R. Schaeffer, and W. C. Pfeiffer
J. Anim Sci. 1990 68: 1848-1856. [Abstract] [PDF]  

Influence of variations in biological and economical parameters on beef production net returns

S. L. Armstrong, J. W. Wilton, W. C. Pfeiffer, and L. R. Schaeffer
J. Anim Sci. 1990 68: 1857-1866. [Abstract] [PDF]  

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

K. E. Gregory, S. E. Echternkamp, G. E. Dickerson, L. V. Cundiff, R. M. Koch, and L. D. Van Vleck
J. Anim Sci. 1990 68: 1867-1876. [Abstract] [PDF]  

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

S. E. Echternkamp, K. E. Gregory, G. E. Dickerson, L. V. Cundiff, R. M. Koch, and L. D. Van Vleck
J. Anim Sci. 1990 68: 1877-1888. [Abstract] [PDF]  

Growth of crossbred progeny of polled Hereford sires divergently selected for yearling weight and maternal ability

G. S. Mahrt, D. R. Notter, W. E. Beal, W. H. McClure, and L. G. Bettison
J. Anim Sci. 1990 68: 1889-1898. [Abstract] [PDF]  

Evaluation of cytoplasmic genetic effects in beef cattle using an animal model

M. W. Tess and O. W. Robison
J. Anim Sci. 1990 68: 1899-1909. [Abstract] [PDF]  

Performance of crosses among Hereford, Angus and Simmental cattle with different levels of Simmental breeding: V. Calf production, milk production and reproduction of three- to eight-year-old dams

D. D. Kress, D. E. Doornbos, and D. C. Anderson
J. Anim Sci. 1990 68: 1910-1921. [Abstract] [PDF]  

Relationships between adipose tissue characteristics of newborn pigs and subsequent performance: I. Characteristics at 8 days of age and growth rate until slaughter

G. Geri, A. Zappa, G. Campodoni, O. Franci, and B. M. Poli
J. Anim Sci. 1990 68: 1922-1928. [Abstract] [PDF]  

Relationships between adipose tissue characteristics of newborn pigs and subsequent performance: II. Carcass traits at 95 and 145 kilograms live weight

G. Geri, O. Franci, B. M. Poli, G. Campodoni, and A. Zappa
J. Anim Sci. 1990 68: 1929-1935. [Abstract] [PDF]  

Relationships between adipose tissue characteristics of newborn pigs and subsequent performance: III. Histological and chemical characteristics of backfat

G. Geri, B. M. Poli, A. Zappa, G. Campodoni, and O. Franci
J. Anim Sci. 1990 68: 1936-1943. [Abstract] [PDF]  

Adverse influence of social facilitation and learning context in training cattle to avoid eating larkspur

M. H. Ralphs and J. D. Olsen
J. Anim Sci. 1990 68: 1944-1952. [Abstract] [PDF]  

Effect of GH status on IGF-I and IGF-II concentrations and serum IGF binding profiles in pigs

C. M. Evock, P. E. Walton, and T. D. Etherton
J. Anim Sci. 1990 68: 1953-1964. [Abstract] [PDF]  

Effects of whole cottonseed and live yeast culture on ruminal fermentation and fluid passage rate in steers

K. J. Malcolm and H. E. Kiesling
J. Anim Sci. 1990 68: 1965-1970. [Abstract] [PDF]  

Growth and carcass characteristics and serum growth hormone, prolactin and insulin profiles in Debouillet lambs treated with ovine growth hormone and(or) zeranol

V. H. Olivares and D. M. Hallford
J. Anim Sci. 1990 68: 1971-1979. [Abstract] [PDF]  

Effects of percentage Brahman and Angus breeding, age-season of feeding and slaughter end point on meat palatability and muscle characteristics

D. D. Johnson, R. D. Huffman, S. E. Williams, and D. D. Hargrove
J. Anim Sci. 1990 68: 1980-1986. [Abstract] [PDF]  

The influence of sex-class, USDA yield grade and USDA quality grade on seam fat trim from the primals of beef carcasses

D. K. Jones, J. W. Savell, and H. R. Cross
J. Anim Sci. 1990 68: 1987-1991. [Abstract] [PDF]  

Phosphorus utilization in chicks fed hydrated sodium calcium aluminosilicate

T. K. Chung and D. H. Baker
J. Anim Sci. 1990 68: 1992-1998. [Abstract] [PDF]  

Performance and nutrient balance in growing swine fed low-protein diets supplemented with amino acids and potassium

K. B. Kephart and G. W. Sherritt
J. Anim Sci. 1990 68: 1999-2008. [Abstract] [PDF]  

Relationship between plasminogen activator production and bovine embryo development in vitro

M. A. Kaaekuahiwi and A. R. Menino, Jr
J. Anim Sci. 1990 68: 2009-2014. [Abstract] [PDF]  

Prepubertal exposure to dietary zearalenone alters hypothalamo-hypophysial function but does not impair postpubertal reproductive function of gilts

M. R. Rainey, R. C. Tubbs, L. W. Bennett, and N. M. Cox
J. Anim Sci. 1990 68: 2015-2022. [Abstract] [PDF]  

Survival of pig embryos flushed from the reproductive tract immediately or two hours after slaughter of donors

C. Wollenberg, I. Wentz, B. Blum, and W. Holtz
J. Anim Sci. 1990 68: 2023-2026. [Abstract] [PDF]  

Relationship between oocyte maturation and fertilization on zygotic diversity in swine

S. Xie, D. M. Broermann, K. P. Nephew, M. D. Bishop, and W. F. Pope
J. Anim Sci. 1990 68: 2027-2033. [Abstract] [PDF]  

Ovarian follicular dynamics in lines of sheep (Finn, Merinos) selected on ovulation rate

M. A. Driancourt, F. Castonguay, B. M. Bindon, L. R. Piper, J. F. Quirke, and J. P. Hanrahan
J. Anim Sci. 1990 68: 2034-2041. [Abstract] [PDF]  

Inhibition of proteolysis in alfalfa silages using heat at harvest: effects on digestion in the rumen, voluntary intake and animal performance

E. Charmley and D. M. Veira
J. Anim Sci. 1990 68: 2042-2051. [Abstract] [PDF]  

Ruminal release of minerals from six forage species

S. M. Emanuele and C. R. Staples
J. Anim Sci. 1990 68: 2052-2060. [Abstract] [PDF]  

Nutritive characteristics of pearl millet grain in beef cattle diets

G. M. Hill and W. W. Hanna
J. Anim Sci. 1990 68: 2061-2066. [Abstract] [PDF]  

Movement of nutrient and non-nutrient elements in the liquid phase in sheep rumen

K. N. Joblin and J. Lee
J. Anim Sci. 1990 68: 2067-2074. [Abstract] [PDF]  

Sulfur-containing amino acid requirement of rapidly growing steers

E. C. Titgemeyer and N. R. Merchen
J. Anim Sci. 1990 68: 2075-2083. [Abstract] [PDF]  

Particle size reduction during initial mastication of forages by dairy cattle

A. T. Bailey, R. A. Erdman, L. W. Smith, and B. K. Sharma
J. Anim Sci. 1990 68: 2084-2094. [Abstract] [PDF]  

Nitrogen utilization and digestibility of amino acids by lambs fed a high-concentrate diet with limestone or magnesium oxide

M. L. Christiansen and K. E. Webb, Jr
J. Anim Sci. 1990 68: 2095-2104. [Abstract] [PDF]  

Intestinal acid flow, dry matter, starch and protein digestibility and amino acid absorption in beef cattle fed a high-concentrate diet with defluorinated rock phosphate, limestone or magnesium oxide

M. L. Christiansen and K. E. Webb, Jr
J. Anim Sci. 1990 68: 2105-2118. [Abstract] [PDF]  

Effects of protein and energy supplementation of Guernsey cows on the kinetics of digestion and passage of orchardgrass versus alfalfa

S. G. Solaiman, F. A. Martz, M. F. Weiss, and R. L. Belyea
J. Anim Sci. 1990 68: 2119-2129. [Abstract] [PDF]  

Steam-rolled wheat diets for finishing cattle: effects of dietary roughage and feed intake on finishing steer performance and ruminal metabolism

K. K. Kreikemeier, D. L. Harmon, R. T. Brandt, Jr, T. G. Nagaraja, and R. C. Cochran
J. Anim Sci. 1990 68: 2130-2141. [Abstract] [PDF]  

Effects of Aspergillus oryzae fermentation extract on fermentation of amino acids, bermudagrass and starch by mixed ruminal microorganisms in vitro

S. A. Martin and D. J. Nisbet
J. Anim Sci. 1990 68: 2142-2149. [Abstract] [PDF]  

Ruminal ciliated protozoa in cattle fed finishing diets with or without supplemental fat

G. Towne, T. G. Nagaraja, R. T. Brandt, Jr, and K. E. Kemp
J. Anim Sci. 1990 68: 2150-2155. [Abstract] [PDF]  

Within-herd variation in energy utilization for maintenance and gain in beef cows

A. DiCostanzo, J. C. Meiske, S. D. Plegge, T. M. Peters, and R. D. Goodrich
J. Anim Sci. 1990 68: 2156-2165. [Abstract] [PDF]  

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