Search Results - "Freking, B. A"

Differences in placental structure during gestation associated with large and small pig fetuses by Vallet, J. L, Freking, B. A

“…The efficiency of nutrient transport from the pregnant female pig to the developing fetus depends on the size and function of the placenta. It has been…”
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Measures of the ovaries and uterus during development of gilts selected for differences in uterine capacity by Lents, C. A, Cushman, R A, Freking, B. A

“…Direct selection for uterine capacity (UC) increased the number of live pigs born. A method to indirectly estimate UC in developing gilts is needed for this…”
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Litter-of-origin trait effects on gilt development by Vallet, J. L, Calderón-Díaz, J. A, Stalder, K. J, Phillips, C, Cushman, R. A, Miles, J. R, Rempel, L. A, Rohrer, G. A, Lents, C. A, Freking, B. A, Nonneman, D. J

“…The preweaning litter environment of gilts can affect subsequent development. In a recent experiment designed to test the effects of diet on gilt development,…”
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relationship of plasma urea nitrogen with growth traits and age at first estrus in gilts by Lents, C. A, Rempel, L. A, Klindt, J, Wise, T, Nonneman, D, Freking, B. A

“…Gilts that reach puberty at an earlier age with more backfat have greater lifetime productivity. Increased growth rates generally promote earlier age at first…”
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Contributions of the maternal uterine environment and piglet genotype on weaning survivability potential: II. Piglet growth, lactation performance, milk composition, and piglet blood profiles during lactation following reciprocal embryo transfers between Meishan and White crossbred gilts by Miles, J. R, Vallet, J. L, Ford, J. J, Freking, B. A, Oliver, W. T, Rempel, L. A

“…Crossbreeding studies between Meishan (MS) and Large White (LW) pigs have illustrated that increased piglet growth before weaning is attributed to the maternal…”
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Number of fetuses and conceptus growth throughout gestation in lines of pigs selected for ovulation rate or uterine capacity by Freking, B.A, Leymaster, K.A, Vallet, J.L, Christenson, R.K

“…Selection for 11 generations in swine for ovulation rate (OR) or uterine capacity (UC) resulted in 19.6% greater prenatal survival at term in UC compared with…”
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Single nucleotide polymorphisms for pig identification and parentage exclusion by Rohrer, G.A, Freking, B.A, Nonneman, D

“…Single nucleotide polymorphisms (SNPs) have become an important type of marker for commercial diagnostic and parentage genotyping applications as automated…”
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Contributions of the maternal uterine environment and piglet genotype on weaning survivability potential: I. Development of neonatal piglets after reciprocal embryo transfers between Meishan and White crossbred gilts by Miles, J. R, Vallet, J. L, Ford, J. J, Freking, B. A, Cushman, R. A, Oliver, W. T, Rempel, L. A

“…In commercial pigs, the greatest susceptibility for pre-weaning mortality occurs in low birth-weight piglets. Despite their overall decreased birth weight,…”
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Evaluation of Dorset, Finnsheep, Romanov, Texel, and Montadale breeds of sheep: IV. Survival, growth, and carcass traits of F1 lambs by Freking, B. A, Leymaster, K. A

“…The objectives of this study were to estimate effects of sire breed (Dorset, Finnsheep, Romanov, Texel, and Montadale), and dam breed (Composite III and…”
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Annotation of the Affymetrix porcine genome microarray by Tsai, S., Cassady, J. P., Freking, B. A., Nonneman, D. J., Rohrer, G. A., Piedrahita, J. A.

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Intrauterine position and adjacent fetal sex affects fetal and placental growth throughout gestation, but not embryonic viability, in pigs selected for component traits of litter size by Lents, C.A., Freking, B.A.

“…•Swine fetuses at the ends of the uterus are larger than the average within the litter.•Fetal and placental growth in pigs are influenced by sex status of…”
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Conceptus development during blastocyst elongation in lines of pigs selected for increased uterine capacity or ovulation rate by Miles, J.R, Freking, B.A, Blomberg, L.A, Vallet, J.L, Zuelke, K.A

“…Lines of pigs selected for increased uterine capacity have improved conceptus survival, whereas pigs selected for increased ovulation rate have decreased…”
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Changes in fetal organ weights during gestation after selection for ovulation rate and uterine capacity in swine by Vallet, J.L, Freking, B.A

“…We hypothesized that the ability of the fetus to alter nutrient shunting and organ growth might be associated with uterine capacity. White crossbred gilts from…”
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Evolution of the sheep industry and genetic research in the United States: opportunities for convergence in the twenty‐first century by Thorne, J. W., Murdoch, B. M., Freking, B. A., Redden, R. R., Murphy, T. W., Taylor, J. B., Blackburn, H. D.

“…Summary The continuous development and application of technology for genetic improvement is a key element for advancing sheep production in the United States…”
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Selection for uterine capacity improves lifetime productivity of sows by Freking, B.A., Lents, C.A., Vallet, J.L.

“…Selection for 11 generations for uterine capacity (UC) increased litter size in gilts by 1.6 more fully formed pigs at birth compared to an unselected control…”
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Evaluation of Dorset, Finnsheep, Romanov, Texel, and Montadale breeds of sheep. II. Reproduction of F1 ewes in fall mating seasons by Casas, E, Freking, B.A, Leymaster, K.A

“…Objectives were to estimate effects of sire breed (Dorset, Finnsheep, Romanov, Texel, and Montadale), dam breed (Composite III and northwestern whiteface),…”
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Evaluation of the ovine callipyge locus: IV. Genotypic effects on reproductive traits by Freking, B. A, Leymaster, K. A

“…A resource population of ewes derived from Dorset and Romanov grandparents was generated over 5 yr to provide genotypic and phenotypic data to estimate effects…”
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Evaluation of Dorset, Finnsheep, Romanov, Texel, and Montadale breeds of sheep: V. Reproduction of F₁ ewes in spring mating seasons by Casas, E, Freking, B. A, Leymaster, K. A

“…Objectives were to estimate effects of sire breed (Dorset, Finnsheep, Romanov, Texel, and Montadale), dam breed [Composite III (CIII) and northwestern…”
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Allelic variation in the secreted folate binding protein gene is associated with uterine capacity in swine by Vallet, J. L, Freking, B. A, Leymaster, K. A, Christenson, R. K

“…Previous comparisons between the cDNA and gene sequences for secreted folate binding protein (sFBP) indicated a 12-bp insertion/deletion (ins/del) polymorphism…”
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Evaluation of associations between prion haplotypes and growth, carcass, and meat quality traits in a Dorset x Romanov sheep population by Isler, B. J, Freking, B. A, Thallman, R. M, Heaton, M. P, Leymaster, K. A

“…There is concern about potential antagonistic correlated responses due to intensive selection for scrapie-resistant haplotypes of the prion (PRNP) gene in…”
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