Search Results - "Urick, J.J"

Comparison of selection by independent culling levels for below-average birth weight and high yearling weight with mass selection for high yearling weight in line1 Hereford cattle by MacNeil, M.D, Urick, J.J, Snelling, W.M

“…Mass selection by independent culling levels (YB subline) for below-average birth weight (BWT) and high yearling weight (YWT) was compared with single-trait…”
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Comparison of selection by independent culling levels for below-average birth weight and high yearling weight with mass selection for high yearling weight in line 1 Hereford cattle by MacNeil, M.D. (USDA, Miles City, MT.), Urick, J.J, Snelling, W.M

“…Mass selection by independent culling levels (YB subline) for below-average birth weight (BWT) and high yearling weight (YWT) was compared with single-trait…”
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Progeny testing sires selected by independent culling levels for below-average birth weight and high yearling weight or by mass selection for high yearling weight by MacNeil, M.D, Short, R.E, Urick, J.J

“…Breeding values of sires resulting from selection either for reduced birth weight and increased yearling weight (YB, n = 8) or for increased yearling weight…”
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Fixed effects in the formation of a composite line of beef cattle. I. Experimental design and reproductive performance by Newman, S, MacNeil, M.D, Reynolds, W.L, Knapp, B.W, Urick, J.J

“…Red Angus (RA) dams were mated to Charolais (C) or Tarentaise (T) sires to produce crossbred (F1) progeny. Members of the F1 generation, differing in breed…”
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Selection for postweaning growth in inbred Hereford cattle: the Fort Keogh, Montana Line 1 example by MacNeil, M. D, Urick, J. J, Newman, S, Knapp, B. W

“…Demographic characteristics and genetic trends in birth weight and pre- and postweaning ADG were examined in a population of Hereford cattle (Line 1). Line 1…”
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Fixed effects in the formation of a composite line of beef cattle. II. Pre- and postweaning growth and carcass composition by Newman, S, MacNeil, M.D, Reynolds, W.L, Knapp, B.W, Urick, J.J

“…Generation, age of dam, sex of calf, and certain covariates were studied to elucidate their effect on traits related to growth and carcass characters measured…”
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Paternal half-sib heritabilities and genetic, environmental, and phenotypic correlation estimates from randomly selected Hereford cattle by Veseth, D.A, Reynolds, W.L, Urick, J.J, Nelsen, T.C, Short, R.E, Kress, D.D

“…esenting 85 sires and heritability estimates were weaning weight, 0.17; daily gain from birth to weaning, 0.20; final test weight, 0.42; and daily gain on…”
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Biological type effects on gestation length, calving traits and calf growth rate by Reynolds, W.L. (USDA, ARS, Fort Keogh Livest. and Range Res. Lab., Miles City, MT), Urick, J.J, Knapp, B.W

“…Gestation length, birth weight calving difficulty, calf mortality rate at birth, calf mortality rate from birth to weaning, preweaning calf growth rate and…”
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Heritabilities and genetic correlations for postweaning growth and feed intake of beef bulls and steers by MacNeil, M. D, Bailey, D. R, Urick, J. J, Gilbert, R. P, Reynolds, W. L

“…Data from studies conducted at Miles City, MT and Lethbridge, AB were pooled to evaluate genetic and environmental variation in feed intake (MEI), growth rate…”
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Biological type effects on postweaning growth, feed efficiency and carcass characteristics of steers by Urick, J.J. (USDA, ARS, Fort Keigh Livest. and Range Res. Lab., Miles City, MT), MacNeil, M.D, Reynolds, W.L

“…Postweaning growth, feed consumption and carcass characteristics of 259 individually fed F1 Angus-, Red Poll-, Pinzgauer-, Simmental- and Tarentaise-sired…”
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Maternal breed of sire effects on postweaning performance of first-cross heifers and production characteristics of 2-year-old heifers by Reynolds, W.L. (USDA, ARS, Fort Keogh Livest. and Range Res. Lab., Miles City, MT), Urick, J.J, Knapp, B.W, MacNeil, M.D

“…Postweaning growth rates from weaning to 18 mo, fall condition score, pregnancy rates, and production to 2 yr of age were evaluated in a study of Angus (A)-,…”
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Maternal breed of sire effects on postweaning performance of heifer and steer progeny: postweaning growth and carcass characteristics by Urick, J.J. (USDA, ARS, Fort Keogh Livest. and Range Res. Lab., Miles City, MT), Reynolds, W.L, Knapp, B.W

“…Heifer and steer progeny of 2-yr-old first-cross (F1) heifers and 3- to 6-yr-old F1 cows, from Hereford dams and five sire breeds, were evaluated for…”
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Heritabilities and genetic correlations of growth and reproductive measurements in hereford bulls by Nelsen, T.C, Short, R.E, Urick, J.J, Reynolds, W.L

“…Weight, hip height, heart girth, pelvic height, pelvic width and scrotal circumference were measured at 403 and 490 d on 427 Hereford bulls. The bulls were…”
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Genetic parameters by son-sire covariances for growth and carcass traits of Hereford bulls in a nonselected herd by Reynolds, W. L, Urick, J. J, Veseth, D. A, Kress, D. D, Nelsen, T. C, Short, R. E

“…Growth rates and weights at weaning, 365 d, and at slaughter were obtained on 616 bulls in a nonselected Hereford herd over a 10-yr period beginning in 1978…”
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Comparison of two- and three-way rotational crossing, beef X beef and beef X Brown Swiss composite breed production by Urick, J.J, Pahnish, O.F, Reynolds, W.L, Knapp, B.W

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Periodic growth of first-cross steers postweaning [Heterosis] by Pahnish, O.F, Urick, J.J, Knapp, B.W, Brinks, J.S, Blackwell, R.L

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Comparison of two- and three-way rotational crossing, Beef X Beef and Beef X Brown Swiss composite breed production: postweaning growth and carcass traits by Urick, J.J. (USDA, Fort Keogh Livestock and Range Research Laboratory, Miles City, MT), Pahnish, O.F, Knapp, B.W, Reynolds, W.L, Milmine, W.L

“…Data collected from steer and bull progeny, fed to a constant final feedlot weight over 11 yr, were used to estimate heterosis in post-weaning feedlot growth…”
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An annual model of purebred breeding bull price by Greer, R.C. (Montana State University), Urick, J.J

“…A geometric distributed lag model was hypothesized as the structural relationship between purebred breeding bull price and economic variables determining the…”
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Palpated and visually assigned condition scores compared with weight, height and heart girth in Hereford and crossbred cows by Nelsen, T.C, Short, R.E, Reynolds, W.L, Urick, J.J

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A comparison of the breeding performance of yearling and 2-year-old Hereford bulls by Greer, R.C. (Montana State University, Bozeman), Urick, J.J, Frank, M.D, Carroll, L.G

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