Search Results - "SQUIRES, J. E"

The characterization of androstenone transport in boar plasma by Bone, Christine, Anderson, Courtney, Lou, Yanping, Squires, E.J.

“…•Androstenone circulates in the blood bound non-specifically to plasma proteins.•DHEA demonstrates a greater binding efficiency for plasma proteins than…”
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The impact of meloxicam on postsurgical stress associated with cautery dehorning by Heinrich, A, Duffield, T F, Lissemore, K D, Squires, E J, Millman, S T

“…The objectives were to determine the duration of the stress response associated with cautery dehorning and to assess the effectiveness of the nonsteroidal…”
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The roles of different porcine cytochrome P450 enzymes and cytochrome b5A in skatole metabolism by Wiercinska, P., Lou, Y., Squires, E. J.

“…Boar taint is the unfavourable odour and taste from pork fat, which results in part from the accumulation of skatole (3-methylindole, 3MI). The key enzymes in…”
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Effects of feeding a blend of grains naturally contaminated with Fusarium mycotoxins on swine performance, brain regional neurochemistry, and serum chemistry and the efficacy of a polymeric glucomannan mycotoxin adsorbent by Swamy, H. V. L. N, Smith, T. K, MacDonald, E. J, Boermans, H. J, Squires, E. J

“…The co-occurrence of Fusarium mycotoxins in contaminated swine diets has been shown to result in synergistic toxicity beyond that observed for individual…”
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Chlorzoxazone Metabolism by Porcine Cytochrome P450 Enzymes and the Effect of Cytochrome b5 by WIERCINSKA, P, SQUIRES, E. J

“…Chlorzoxazone (CLZ) is a commonly used nontoxic in vivo and in vitro probe for the assessment of CYP2E1 activity. Human CYP1A1 and CYP3A4 have also been shown…”
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The role of porcine cytochrome b5A and cytochrome b5B in the regulation of cytochrome P45017A1 activities by Billen, M.J., Squires, E.J.

“…Male pigs are routinely castrated to prevent the accumulation of testicular 16-androstene steroids, in particular 5α-androst-16-en-3-one (5α-androstenone),…”
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A comparative evaluation of thiobarbituric acid methods for the determination of malondialdehyde in biological materials by Draper, H H, Squires, E J, Mahmoodi, H, Wu, J, Agarwal, S, Hadley, M

“…A comparative evaluation was made of the conventional spectrophotometric procedure and three published high performance liquid chromatographic (HPLC)…”
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Testicular sulfoconjugation of the 16-androstene steroids by hydroxysteroid sulfotransferase : Its effect on the concentrations of 5α-androstenone in plasma and fat of the mature domestic boar by SINCLAIR, P. A, SQUIRES, E. J

“…This study examined the relationship between sulfoconjugation and the degree to which 5 alpha -androstenone can accumulate in fat. Analysis of the unconjugated…”
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Effect of testicular steroids on catalytic activities of cytochrome P450 enzymes in porcine liver microsomes by Zamaratskaia, G., Gilmore, W.J., Lundström, K., Squires, E.J.

“…The testicular steroids androstenone (A), 17β-oestradiol (E2) and testosterone (T) were tested for their ability to alter CYP2E1 and CYP2A activity in porcine…”
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Metabolism of the 16-androstene steroids in primary cultured porcine hepatocytes by Sinclair, P.A., Hancock, S., Gilmore, W.J., Squires, E.J.

“…The hepatic metabolism of the 16-androstene steroids was investigated using isolated porcine hepatocytes. This study demonstrated that the liver is capable of…”
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Effects of supplementation level and feeding schedule of butyrate glycerides on the growth performance and carcass composition of broiler chickens by Bedford, A., Yu, H., Squires, E.J., Leeson, S., Gong, J.

“…Mixed mono- and tributyrate glycerides have been used for effective delivery of butyrate to the gut to benefit broilers. However, limited information is…”
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Age-related Variation of Plasma Concentrations of Skatole, Androstenone, Testosterone, Oestradiol-17β, Oestrone Sulphate, Dehydroepiandrosterone Sulphate, Triiodothyronine and IGF-1 in Six Entire Male Pigs by Zamaratskaia, G, Babol, J, Madej, A, Squires, EJ, Lundström, K

“…Contents This study describes the age‐related variation in boar taint compounds, skatole and androstenone, and testosterone, oestradiol‐17β (E17β), oestrone…”
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Synthesis of free and sulphoconjugated 16-androstene steroids by the Leydig cells of the mature domestic boar by Sinclair, P.A., Squires, E.J., Raeside, J.I., Renaud, R.

“…This study examined the involvement of sulphoconjugation in the biosynthesis of the 16-androstene steroids in Leydig cells of the mature boar, since the…”
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Molecular cloning and regulation of porcine SULT2A1: relationship between SULT2A1 expression and sulfoconjugation of androstenone by Sinclair, P A, Gilmore, W J, Lin, Z, Lou, Y, Squires, E J

“…Hydroxysteroid sulfotransferase (SULT2A1) is a key enzyme in the testicular and hepatic metabolism of 5α-androstenone, which is a major component of the…”
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Differential gene expression in dairy cows under negative energy balance and ketosis: A systematic review and meta-analysis by Soares, R A N, Vargas, G, Muniz, M M M, Soares, M A M, Cánovas, A, Schenkel, F, Squires, E J

“…Development of ketosis in high-producing dairy cows contributes to several animal health issues and highlights the need for a better understanding of the…”
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Biochemical, nutritional and genetic effects on boar taint in entire male pigs by Zamaratskaia, G., Squires, E. J.

“…Pork odour is to a great extent affected by the presence of malodorous compounds, mainly androstenone and skatole. The present review outlines the current…”
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Molecular cloning, expression and functional characterization of the cytochrome P450 2A6 gene in pig liver by Lin, Z, Lou, Y, Squires, E.J

“…Summary Raising intact male pigs would have a significant economic impact on the pork industry because intact males have improved feed efficiency and a greater…”
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Characterizing developmental changes in plasma and tissue skatole concentrations in the prepubescent intact male pig by Lanthier, F, Lou, Y, Terner, M.A, Squires, E.J

“…The accumulation of skatole in boars to concentrations resulting in carcass taint has been associated with elevated concentrations of steroid hormones in…”
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Comparative efficacy of antibiotic growth promoter and benzoic acid on growth performance, nutrient utilization, and indices of gut health in nursery pigs fed corn–soybean meal diet by Kiarie, E., Voth, C., Wey, D., Zhu, C., Vingerhoeds, P., Borucki, S., Squires, E.J.

“…Benzoic acid (BA) supplement was evaluated as an alternative to antimicrobial growth promoter (AGP). Ninety-six piglets (21-d-old at weaning) were placed in…”
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Modelling quality variations in commercial Ontario pork production by Purslow, P.P., Mandell, I.B., Widowski, T.M., Brown, J., deLange, C.F.M., Robinson, J.A.B., Squires, E.J., Cha, M.C., VanderVoort, G.

“…This study explores the interactions of sensory and nutritional environment with genotype occurring in current commercial pork production in Ontario, Canada,…”
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