نتایج جستجو برای: left displaced abomasum
تعداد نتایج: 308823 فیلتر نتایج به سال:
There is increased concern about the selection pressure of antimicrobial use (AMU) in humans as well farm animals resulting (AM) resistance. The introduction monitoring AMU food-producing since 2011 has led to a considerable quantitative reduction those animal species Netherlands. This survey was conducted explore possibilities improve prudent AM cattle industry. We sent an online questionnaire...
The effect of seven diseases on culling was measured in 7523 Holstein cows in New York State. The cows were from 14 herds and had calved between January 1, 1994 and December 31, 1994; all cows were followed until September 30, 1995. Survival analysis was performed using the Cox proportional hazards model to incorporate time-dependent covariates for diseases. Different intervals representing sta...
BACKGROUND The study investigated the ultrasonographic appearance of the reticulum, rumen, omasum and abomasum of calves with ruminal drinking syndrome. METHODS In ten milk-fed calves with ruminal drinking syndrome the reticulum, rumen, omasum and abomasum were examined by ultrasonography using a 5-MHz linear transducer before, during and after the ingestion of milk. RESULTS The reticulum c...
BACKGROUND The natural incidence of left displacement of abomasum (LDA) in dairy cows was high. The diagnosis of LDA usually relies on characteristic physical exam findings but that transabdominal ultrasound is a useful technique that has been applied to the diagnosis of gastrointestinal diseases of dairy cows in equivocal cases. METHODS Forty dairy cows with LDA were clinically and ultrasono...
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