牛卵巢囊性疾病的诱发因素及其对生殖效率的影响

Q2 Veterinary

Revue De Medecine Veterinaire Pub Date : 2017-09-03 DOI:10.19052/mv.4384

Hermógenes René Chamba Ochoa, Edgar Enrique Benítez González, Manuel Teodoro Pesántez Campoverde

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引用次数: 1

摘要

卵巢囊肿是奶牛常见的异常。他们的特点是表现为停发，不规律的发情，增加生殖间隔和不育。其起源尚不清楚，因此研究其发病机制及其与某些易感因素的可能关系是很重要的。本研究的目的是通过超声确定卵巢囊肿的患病率和类型。研究了Hoya de Loja地区23个农场的93头奶牛。在24天内，根据超声图像识别囊性形成并进行分类，每4天扫描6次。动物年龄2 ~ 12岁，体况> 2。数据分析采用SPSS Statistics 21统计程序中的PROC REG进行。卵巢囊肿奶牛增加了256.4个开放日，而健康对照动物增加了114.8个开放日。卵巢囊肿患病率为32%，分布于卵泡囊肿(21%)和黄体囊肿(11%)。此外，囊肿的存在与身体状况≤3(23%)、子宫炎的存在(9%)和激素产品的使用(10%)之间存在相关性。卵巢囊肿的临床表现为黄体囊肿奶牛的退情症状(90%)和卵泡囊肿奶牛的不规律发情(40%)。总之，卵巢囊肿是产后奶牛分娩-发情期和分娩-受孕期增加以及分娩间隔增加的直接原因。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Factores predisponentes para la enfermedad quística ovárica bovina y su efecto en la eficiencia reproductiva

Ovarian cysts are common anomalies in dairy cattle. They are characterized by presenting with anestrus, irregular estrus, increased reproductive intervals, and infertility. Their origin is still unknown, thus it is important to study their pathogenesis and possible relation to certain factors predisposing to their onset. The objective of this study was to determine by ultrasound the prevalence and types of ovarian cysts. 93 cows belonging to 23 farms in the Hoya de Loja were studied. Cystic formations were identified and classified according to ultrasound profile during 24 days, with 6 scans every 4 days. The age of the animals varied from 2 to 12 years, with body condition > 2. For data analysis, PROC REG was used in the SPSS Statistics 21 statistical program. An increase of 256.4 open days was evidenced in cows with ovarian cysts, versus 114.8 open days in healthy control animals. The prevalence of ovarian cysts was 32%, distributed in follicular cysts (21%) and luteal cysts (11%). In addition, there was a correlation between the presence of cysts and body condition ≤ 3 (23%), presence of metritis (9%), and the use of hormonal products (10%). Ovarian cysts were clinically manifested through symptoms of anestrus in cows with luteal cysts (90%) and the presence of irregular estrus in cows with follicular cysts (40%). In conclusion, ovarian cysts are a direct cause of increased periods of delivery-estrus and delivery-conception, as well as increased intervals between deliveries in postpartum dairy cows.

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来源期刊

Revue De Medecine Veterinaire 农林科学-兽医学

CiteScore

1.30

自引率

0.00%

发文量

审稿时长

18-36 weeks

期刊介绍： The Revue de Médecine Vétérinaire publishes four kinds of text: 1) Scientific reviews on subjects related to veterinary and comparative medicine. Suggested length: 10 to 30 typed pages. 2) Original reports on fundamental or applied research. Suggested length: 10 to 15 typed pages. 3) Continuous education articles, that should be easily understandable by non-specialists. Suggested length: 10 to 15 typed pages. 4) Clinical reports. Suggested length: 5 to 15 typed pages. The publication can be done in French language or English language. For an article written in English by not english native speakers authors, the manuscript must be subjected by attesting that it was read again by an anglophone scientist or a scientific translator. The authors must certify that the manuscript was not published or subjected for publication to another review. The manuscript must be accompanied by a sheet signed by all the joint authors indicating their agreement for the tender of the manuscript. The publication is free but a financial participation could be required for the photographs color. An estimate will be sent to collect the agreement of the authors.