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Abstract

Data are given for the conception rates and farrowing results obtained with semen of 6 Large White boars and l Landrace. Over-all results were 68.2 % farrowed with 10.6 piglings per litter. Trials continued using I.V.T. and C.U.E. diluents on days 1-3. There was no appreciable fall in fertility...

Citation
Rep. Anim. Hlth Servs Gt Br., 1966, pp 115-119
Abstract

THE State has now 5 cooperative units for artificial insemination, including about 5500 cows; the original unit, begun in May 1938, has 240 members with 2600 cows. Insemination rate per pregnancy varies for young as well as mature bulls and among bulls with the same semen density and sperm...

Author(s)
BARTLETT, J. W.; PERRY, E. J.
Citation
Record of Proceedings. American Society of Animal Production, 1939, pp 243-245
Abstract

DELAWARE, 1940-41.
In work on ROCKY MOUNTAIN SPOTTED FEVER rodent trapping was carried out to ascertain the host relationships of the immature forms of Dermacentor variabilis. The meadow mouse, Microtus sp., is a common host. Other rodents had very few of these ticks. Adult D. variabilis infested...

Citation
Reports of Agricultural Experiment Stations, U.S.A. Details of the titles of these reports and of relevant papers contained in them will be found in Index Veterinanus.,

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