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Assessing the Value of Coordinated Sire Genetics in a Synchronized AI Program AgEcon
Parcell, Joseph L.; Schaefer, Daniel; Patterson, David J.; John, Mike; Kerley, Monty S.; Haden, Kent.
Synchronized artificial insemination was used to inseminate cows using different types of sire genetics, including low-accuracy, calving-ease, and high-accuracy. These three calf sire groups were compared to calves born to cows bred using natural service. We found substantial production efficiency grains, carcass merit improvement, and economic value to calves born to cows following a synchronized artificial insemination program with high-accuracy semen included. The economic advantage to the high-accuracy calf sire group was computed to be in the neighborhood of $40 to $80/head, relative to the natural service calf sire group.
Tipo: Conference Paper or Presentation Palavras-chave: Artificial insemination; Beef; Cow; Carcass; Feed-out; Genetics; Pre-conditioning; Sire synchronization.; Agricultural Finance.
Ano: 2008 URL: http://purl.umn.edu/37618
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Gentamicin-induced preconditioning of proximal tubular LLC-PK1 cells stimulates nitric oxide production but not the synthesis of heat shock protein BJMBR
Pessoa,E.A.; Convento,M.B.; Silva,R.G.; Oliveira,A.S.; Borges,F.T.; Schor,N..
Nephrotoxicity is the main side effect of antibiotics such as gentamicin. Preconditioning has been reported to protect against injuries as ischemia/reperfusion. The objective of the present study was to determine the effect of preconditioning with gentamicin on LLC-PK1 cells. Preconditioning was induced in LLC-PK1 cells by 24-h exposure to 2.0 mM gentamicin (G/IU). After 4 or 15 days of preconditioning, cells were again exposed to gentamicin (2.0 mM) and compared to untreated control or G/IU cells. Necrosis and apoptosis were assessed by acridine orange and HOESCHT 33346. Nitric oxide (NO) and endothelin-1 were assessed by the Griess method and available kit. Heat shock proteins were analyzed by Western blotting. After 15 days of preconditioning, LLC-PK1...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Pre-conditioning; Gentamicin; Nitric oxide; LLC-PK1 cells; Acute kidney injury; Apoptosis.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2009000700005
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