Prevalence and consequences of subacute ruminal acidosis in German dairy herds.
Prevalence and consequences of subacute ruminal acidosis in German dairy herds.
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DOI：
10.1186/1751-0147-55-48
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发表时间：
2013-06-27
影响因子：
2.1
通讯作者：
Rehage J
中科院分区：
文献类型：
--
作者：
Kleen JL;Upgang L;Rehage J
奶牛亚急性瘤胃酸中毒（SARA）的患病率和临床后果仍然知之甚少。为了评估SARA的患病率，26个德国奶牛场被纳入田间研究。在每个牛群中，使用瘤胃穿刺术检查11至14头泌乳奶牛的瘤胃pH值。记录了牛奶生产数据和农场管理特征。对每个农场哺乳动物的跛行患病率进行评分，并对所有检查动物的身体状况评分进行三次记录，每次间隔四至五周。根据瘤胃pH值对农场进行分组，并比较跛行、身体状况、产奶参数和管理方式。根据测量的瘤胃pH值对动物进行分组，并相应地比较产奶参数和身体状况评分。在检查的315头奶牛中，63头（20%）在瘤胃穿刺时显示瘤胃pH ≤ 5.5。在检查的26个农场中，11个农场有3头或3头以上奶牛出现瘤胃pH ≤ 5.5，并被归类为可能出现亚急性瘤胃酸中毒。这些农场往往比其他农场更大，为泌乳奶牛提供的躺卧空间更少。跛行无明显趋势。在个体奶牛中，发现瘤胃pH值较低（≤ 5.5）的动物的身体状况显著差于pH值较高的动物（p <0.05）。研究显示，26个牛群中有11个可能经历SARA。较大的畜群往往有较高的SARA风险，而瘤胃pH值低的个体往往身体状况较低。该研究指出了管理在预防SARA中的重要性。
The prevalence and the clinical consequences of subacute ruminal acidosis (SARA) in dairy cows are still poorly understood. In order to evaluate the prevalence of SARA, 26 German dairy farms were included in a field study. In each herd, between 11 and 14 lactating dairy cows were examined for their ruminal pH using rumenocentesis. Milk production data and farm management characteristics were recorded. Each farm was scored for lameness prevalence among lactating animals, and body condition score was recorded three times four to five weeks apart in all animals examined. Farms were grouped on basis of ruminal pH and compared for lameness, body condition, milk production parameters and style of management. Animals were grouped on basis of their measured ruminal pH and compared accordingly for milk production parameters and body condition score. Of 315 cows examined, 63 individuals (20%) exhibited a ruminal pH of ≤ 5.5 at time of rumenocentesis. Of 26 farms examined, eleven farms had three or more of their cows experiencing a ruminal pH of ≤ 5.5 and were classified as likely experiencing subacute ruminal acidosis. These farms tended to be bigger than the others and offered less lying space to the lactating cows. There was no clear tendency regarding lameness. Among individual cows, animals with a low ruminal pH of ≤ 5.5 were found to be in significantly poorer body condition than animals with higher pH values (p < 0,05). The study shows 11 out of 26 of herds likely experiencing SARA. Bigger herds tend to be at a higher risk for SARA, while individuals with low ruminal pH tend to be lower in body condition. The study points to the importance of management in preventing SARA.
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影响因子：
2.2
作者：
Jouany, J. -P.
通讯作者：
Jouany, J. -P.
影响因子：
3.2
作者：
Kleen, J. L.;Cannizzo, C.
通讯作者：
Cannizzo, C.
影响因子：
2.2
作者：
Kleen, J. L.;Hooijer, G. A.;Noordhuizen, J. P. T. M.
通讯作者：
Noordhuizen, J. P. T. M.
影响因子：
2.2
作者：
Mulligan, F. J.;Doherty, M. L.
通讯作者：
Doherty, M. L.
DOI：
10.1111/j.1439-0396.2007.00696.x
发表时间：
2007-06-01
影响因子：
2.7
作者：
Morgante, M.;Stelletta, C.;Andrighetto, I.
通讯作者：
Andrighetto, I.