[논문]Impact of pig insemination technique and semen preparation on profitability

Gonzalez-Peñ; a, D.; Knox, R. V.; Pettigrew, J.; Rodriguez-Zas, S. L.

doi:10.2527/jas.2013-6836

[해외논문] Impact of pig insemination technique and semen preparation on profitability 원문보기

Journal of animal science, v.92 no.1, 2014년, pp.72 - 84

Gonzalez-Peña, D. (Department of Animal Sciences) , Knox, R. V. (Department of Animal Sciences) , Pettigrew, J. (Department of Animal Sciences) , Rodriguez-Zas, S. L. (Department of Animal Sciences)

Abstract ▼ AI-Helper

Artificial insemination technique and semen preparation impact boar utilization efficiency, genetic dissemination, and biosecurity. Intrauterine (IUI) and deep intrauterine (DUI) AI techniques require lower number of spermatozoa per dose compared to conventional (CON) AI. Frozen semen (FRO) has been associated with lower reproductive performance compared to fresh semen (FRE) preparation. The combined effects of 3 AI techniques (CON, IUI, and DUI) and 2 semen preparations (FRE and FRO) on the financial indicators of a pig crossbreeding system were studied. A 3-tier system was simulated in ZPLAN and the genetic improvement in a representative scenario was characterized. The cross of nucleus lines B and A generated 200,000 BA sows at the multiplier level. The BA sows were inseminated (CON, IUI, or DUI) with FRE or FRO from line C boars at the commercial level. Semen preparation and AI technique were represented by distinct sow:boar ratios in the C × BA cross. A range of farrowing rates (60 to 90%) and litter sizes (8 to 14 liveborn pigs) were tested. Genetic improvement per year for number born alive, adjusted 21-d litter weight, days to 113.5 kg, backfat, and ADG were 0.01 pigs per litter, 0.06 kg, –0.09 d, –0.29 mm, and 0.88 g, respectively. On average, the net profit for FRE (FRO) increased (P-value < 0.0001) from CON to IUI and DUI by 2.2 (3.2%) and 2.6% (4%), respectively. The differences in profit between techniques were driven by differences in costs. Differences in fixed costs between IUI and DUI relative to CON were –2.4 (–5.2%) and –3.4% (–7.4%), respectively. The differences in total costs between FRE and FRO were lower than –5%. The difference in variable costs between FRE and FRO ranged from –5.3 (CON) to –24.7% (DUI). Overall, insemination technique and semen preparation had a nonlinear effect on profit. The average relative difference in profit between FRE and FRO was less than 3% for the scenarios studied.

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참고문헌 (40)

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[해외논문] Impact of pig insemination technique and semen preparation on profitability 원문보기

Abstract ▼ AI-Helper

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