Document Detail


Study on the prevalence of dairy cattle lameness and its effects of production indices in Iran. A locomotion scoring base study.
MedLine Citation:
PMID:  18810977     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
In this current study, prevalence of lameness was detected and its changes during different parities, Days in Milk (DIM) and milk production were studies. In addition, effects of lameness on Open Days (OD) and Service per Conception (S/C) were studied. Three dairy farms on three scales (1: Large, approximately 900 milking cows, 2: Medium, approximately 100 milking cows and 3: Small, approximately 20 milking cows) were watched for lameness in 2005-2006. Locomotion Scoring (LS) by Sprecher method (1-5 point scale) has been done by videoing of the animals at the exit of the milking parlor. Videos were reviewed by two expert and mean of the each score used as score of the animal, cows with scores 1 and 2 recorded as non-lame and 3, 4 and 5 as lame cows. The average score of the lameness in autumn and spring recorded as 2.47 and 2.73, respectively that was higher significantly in spring. LS has been increased significantly by increasing parity and DIM, as highest scores were recorded in parity 4 and DIM 240-300. No significant differences between lame and non-lame cows were recorded in according to their milk production. The highest (percent in lame cows) scores were recorded in high producing cows. No significant difference in milk production has been recorded in different LS. However the average production of milk in lame cows were 1.08 L day(-1) less that non-lame cows. The average OD of the lame cows was significantly longer (52 days) than non-lame cows. Lame cows needed significantly higher service/conception (one) than non-lame cows. Median of OD and S/C has been increased by LS.
Authors:
A R Mohamadnia; M Mohamaddoust; N Shams; S Kheiri; S Sharifi
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Pakistan journal of biological sciences: PJBS     Volume:  11     ISSN:  1028-8880     ISO Abbreviation:  Pak. J. Biol. Sci.     Publication Date:  2008 Apr 
Date Detail:
Created Date:  2008-09-24     Completed Date:  2008-11-14     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101247723     Medline TA:  Pak J Biol Sci     Country:  Pakistan    
Other Details:
Languages:  eng     Pagination:  1047-50     Citation Subset:  IM    
Affiliation:
Department of Clinical Sciences, College of Veterinary Medicine, University of Shahrekord, Iran.
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MeSH Terms
Descriptor/Qualifier:
Animals
Cattle
Cattle Diseases / epidemiology,  physiopathology*
Dairying
Female
Foot Diseases / epidemiology,  physiopathology,  veterinary*
Lameness, Animal / classification,  epidemiology,  physiopathology*
Locomotion*
Milk / secretion*
Parity
Pregnancy
Prevalence
Retrospective Studies
Seasons

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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