剂量反应评估luprostiol管理怀孕母猪。

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小迪,纽比TJ

剂量反应评估luprostiol管理怀孕母猪。

以及动物生殖部。1989年7月,技术部32 (1):11-7。

PubMed ID

16726647 (在PubMed

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文摘

两个试验完成调查luprostiol在猪的影响。第一个试验是评估分娩引起的不同剂量的luprostiol相比lutalyse或车辆。母猪被随机分配到一个指定的以下治疗妊娠112天:A组,控制(0 mg luprostiol);B组(1.88毫克luprostiol);C组(3.75毫克luprostiol);D组(7.5毫克luprostiol);E组(15毫克luprostiol);F组(10 mg lutalyse)。所有prostaglandin-treated组拉线早于对照组(P < 0.05),与组D(26.3小时),E(31.0小时)和F(25.8小时)treatment-to-first-pig最短间隔,和组(76.0小时),B(54.4小时)和C(40.0小时)拥有最长的间隔。Luprostiol-treated母猪产小猪最短时间(P < 0.05; range = 3.2 to 3.9 h). Significant differences were found for the time (min) between births: Group A (32.1), Group B (28.4), Group F (35.5) took longer than Group C (20.2), Group D (21.0) and Group E (21.6). In a second trial, 20 crossbred pregnant sows received either vehicle or luprostiol (7.5 mg) on Day 112 of gestation. Progesterone concentrations declined rapidly (P<0.05) in luprotiol treated females but were unchanged in control females during the 24-h collection period. The results of these trials show 7.5 mg luprostiol to be the most effective dose for inducing farrowing.

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药物

Luprostiol