Creep feeding and phytohemagglutinin skin-test responses in pigs
نویسندگان
چکیده
منابع مشابه
Effects of varying creep feeding duration on the proportion of pigs consuming creep feed and neonatal pig performance.
In Exp. 1, 54 sows (PIC Line 1050) and their litters were used to determine the effects of creep feeding duration on the proportion of pigs consuming creep feed and preweaning performance. Two groups of sows were blocked according to parity and date of farrowing and allotted to 3 experimental treatments in a randomized complete block design. Creep feeding was initiated at d 7, 14, and 18 from b...
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“To creep or not to creep?” That is the question that many Mississippi beef producers wrangle with in managing calf nutrition. Producers often have several arguments for either allowing calves creep supplementation access or for keeping creep access off limits. A 1996 survey conducted by USDA’s National Health Monitoring System reported that 19.5% of cow-calf operations in the Southeast utilize...
متن کاملEffect of creep feeding on selected microflora and short-chain fatty acids in the ileum of weanling pigs.
Pigs cannulated at the ileum were used to investigate the effect of creep feeding on specific intestinal microflora and VFA and lactate concentrations. In two replicate trials performed 50 d apart, a total of 24 15-d-old nursing pigs from seven sows were cannulated in the terminal ileum and randomly assigned to two test groups. One group was allowed access to a creep diet, whereas the other gro...
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15 صفحه اولEffect of phytohemagglutinin on skin allograft survival in mice.
Single or repetitive i.p. injections of Phytohemagglutinin (PHA) induced a selective marked decrease in blood and bone marrow lymphocytes in mice, suggesting that PHA might have a specific immunosuppressive effect. To test this hypothesis, parallel' experiments were conducted using female C57Bl/6J (H-2b) mice as recipients and either female C3H/HeJ (H-2k) or female (C57Blx C3He) Fl (H-2b,k) hyb...
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ژورنال
عنوان ژورنال: Kansas Agricultural Experiment Station Research Reports
سال: 1984
ISSN: 2378-5977
DOI: 10.4148/2378-5977.6147