Subchronic Administration of Technical Pentachlorophenol to Lactating Dairy Cattle: Performance, General Health, and Pathologic Changes

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Conventional and extended intramammary therapy of persistent subclinical mastitis using nafcillin-penicillindihydrostreptomycin in lactating dairy cattle

The objective of the present study was to compare the efficacy of conventional and extendedintramammary (IMM) therapy of persistent subclinical mastitis in lactating dairy cattle using nafcillinpenicillin-dihydrostreptomycin combination (NPD). Sixty-five dairy cows with 126 infected quarters were enrolled in the study. Infected cows were allocated randomly to 1 of 3 different treatment regimens...

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Short communication: salivary secretion during meals in lactating dairy cattle.

Four multiparous Holstein cows in midlactation were used in a 4 x 4 Latin square to evaluate whether source of forage influenced salivary secretion during eating in lactating dairy cows. The forages were allocated separately from the pelleted concentrates. Cows were offered 1 of 4 forages each period: barley silage, alfalfa silage, long-stemmed alfalfa hay, or chopped barley straw. Saliva secre...

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ژورنال

عنوان ژورنال: Journal of Dairy Science

سال: 1981

ISSN: 0022-0302

DOI: 10.3168/jds.s0022-0302(81)82527-1