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Titlebook: Diseases of Cattle in the Tropics; Economic and Zoonoti Miodrag Ristic,W. Ian M. McIntyre Book 1981 Springer Science+Business Media Dordrec

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發(fā)表于 2025-3-25 03:46:43 | 只看該作者
Current Topics in Veterinary Medicinehttp://image.papertrans.cn/e/image/281278.jpg
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發(fā)表于 2025-3-25 11:21:42 | 只看該作者
Virtue, Sustainability and Liberal Valueshe major groups included were the humped Zebu ., non-humped European ., intermediate crosses of these two types, and the close relatives of cattle, the Banteng and Water Buffalo..The Zebu and European types of cattle both are thought to have been domesticated in western Asia. The Zebu spread across
23#
發(fā)表于 2025-3-25 12:49:46 | 只看該作者
Su?cidepreventie in de praktijkited areas with the greatest potential for expanding livestock production occur in South America and Africa. Intensive research currently under way is beginning to identify and resolve such problems as management practices, nutrition, genetic improvement, and disease control. Infectious blood diseas
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發(fā)表于 2025-3-25 18:36:04 | 只看該作者
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發(fā)表于 2025-3-25 20:55:26 | 只看該作者
9 Tijd, toekomst en su?cidaliteitrsa; cyclozoonoses requiring more than one vertebrate host to complete the developmental cycle needed for transmission; metazoonoses requiring an invertebrate vector for transmission, or saprozoonoses which involve vertebrate and invertebrate hosts in the process of transmission. Social, cultural an
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發(fā)表于 2025-3-26 00:39:26 | 只看該作者
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發(fā)表于 2025-3-26 07:29:53 | 只看該作者
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發(fā)表于 2025-3-26 10:31:34 | 只看該作者
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發(fā)表于 2025-3-26 13:21:21 | 只看該作者
Grundtypen von Swap-Transaktionen,herpesvirus group. Swine are the natural host in which the virus persists as a latent infection, and they serve as a source of virus for other animal species. The disease is distributed throughout the world. In recent years there has been a dramatic increase in the number of reported cases. Outbreak
30#
發(fā)表于 2025-3-26 18:07:02 | 只看該作者
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