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  1. Article ; Online: The effects of cow introductions on milk production and behaviour of the herd measured with sensors.

    Scheurwater, Josje / Jorritsma, Ruurd / Nielen, Mirjam / Heesterbeek, Hans / van den Broek, Jan / Aardema, Hilde

    The Journal of dairy research

    2022  Volume 88, Issue 4, Page(s) 374–380

    Abstract: This research paper addresses the hypothesis that cow introductions in dairy herds affect milk production and behaviour of animals already in the herd. In dairy farms, cows are commonly regrouped or moved. Negative effects of regroupings on the ... ...

    Abstract This research paper addresses the hypothesis that cow introductions in dairy herds affect milk production and behaviour of animals already in the herd. In dairy farms, cows are commonly regrouped or moved. Negative effects of regroupings on the introduced animals are reported in other studies. However, little is known about the effects on lactating cows in the herd. In this research a herd of 53 lactating dairy cows was divided into two groups in a cross-over design study. 25 cows were selected as focal cows for which continuous sensor data were collected. The treatment period consisted of replacing non-focal cows three times a week. Many potentially influencing factors were taken into account in the analysis. Replacement of cows in the treatment period indeed affected the focal animals. During the treatment period these cows showed increased walking and reduced rumination activity and produced less milk compared to the control period. Milk production per milking decreased in the treatment period up to 0.4 kg per milking on certain weekdays. Lying and standing behaviour were similar between the control and the treatment period. The current study suggests that cow introductions affect welfare and milk production of the cows already in the herd.
    MeSH term(s) Animals ; Cattle ; Cattle Diseases ; Dairying ; Farms ; Female ; Lactation ; Milk
    Language English
    Publishing date 2022-01-24
    Publishing country England
    Document type Journal Article
    ZDB-ID 242089-2
    ISSN 1469-7629 ; 0022-0299
    ISSN (online) 1469-7629
    ISSN 0022-0299
    DOI 10.1017/S0022029921000856
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.B 1511: Show issues Location:
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    bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
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  2. Article: The effects of cow introductions on milk production and behaviour of the herd measured with sensors

    Scheurwater, Josje / Jorritsma, Ruurd / Nielen, Mirjam / Heesterbeek, Hans / van den Broek, Jan / Aardema, Hilde

    Journal of dairy research. 2021 Nov., v. 88, no. 4

    2021  

    Abstract: This research paper addresses the hypothesis that cow introductions in dairy herds affect milk production and behaviour of animals already in the herd. In dairy farms, cows are commonly regrouped or moved. Negative effects of regroupings on the ... ...

    Abstract This research paper addresses the hypothesis that cow introductions in dairy herds affect milk production and behaviour of animals already in the herd. In dairy farms, cows are commonly regrouped or moved. Negative effects of regroupings on the introduced animals are reported in other studies. However, little is known about the effects on lactating cows in the herd. In this research a herd of 53 lactating dairy cows was divided into two groups in a cross-over design study. 25 cows were selected as focal cows for which continuous sensor data were collected. The treatment period consisted of replacing non-focal cows three times a week. Many potentially influencing factors were taken into account in the analysis. Replacement of cows in the treatment period indeed affected the focal animals. During the treatment period these cows showed increased walking and reduced rumination activity and produced less milk compared to the control period. Milk production per milking decreased in the treatment period up to 0.4 kg per milking on certain weekdays. Lying and standing behaviour were similar between the control and the treatment period. The current study suggests that cow introductions affect welfare and milk production of the cows already in the herd.
    Keywords cross-over studies ; milk ; milk production ; research ; rumination
    Language English
    Dates of publication 2021-11
    Size p. 374-380.
    Publishing place Cambridge University Press
    Document type Article
    ZDB-ID 242089-2
    ISSN 1469-7629 ; 0022-0299
    ISSN (online) 1469-7629
    ISSN 0022-0299
    DOI 10.1017/S0022029921000856
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Bonn / Germany

    Z 1073: Show issues

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  3. Article ; Online: Pressure measurement in the reticulum to detect different behaviors of healthy cows.

    Scheurwater, Josje / Hostens, Miel / Nielen, Mirjam / Heesterbeek, Hans / Schot, Arend / van Hoeij, Rob / Aardema, Hilde

    PloS one

    2021  Volume 16, Issue 7, Page(s) e0254410

    Abstract: The aim of the current study was to investigate the relation between reticulorumen contractions and monitored cow behaviors. A purpose-built pressure measuring device was used and shown to be capable of detecting the known contraction patterns in the ... ...

    Abstract The aim of the current study was to investigate the relation between reticulorumen contractions and monitored cow behaviors. A purpose-built pressure measuring device was used and shown to be capable of detecting the known contraction patterns in the reticulorumen of four rumen-fistulated cows. Reticular pressure data was used to build a random forest algorithm, a learning algorithm based on a combination of decision trees, to detect rumination and other cow behaviors. In addition, we developed a peak-detection algorithm for rumination based on visual inspection of patterns in reticular pressure. Cow behaviors, differentiated in ruminating, eating, drinking, sleeping and 'other', as scored from video observation, were used to develop and test the algorithms. The results demonstrated that rumination of a cow can be detected by measuring pressure differences in the reticulum using either the random forest algorithm or the peak-detection algorithm. The random forest algorithm showed very robust performances for detecting rumination with an accuracy of 0.98, a sensitivity of 0.95 and a specificity of 0.99. The peak-detection algorithm could detect rumination robustly, with an accuracy of 0.92, a sensitivity of 0.97 and a specificity of 0.90. In addition, we provide proof of principle that a random forest algorithm can also detect eating, drinking and sleeping behavior from the same data with performances above 0.90 for all measures. The measurement device used in this study needed rumen-fistulated cows, but the results indicate that behavior detection using algorithms based on only measurements in the reticulum is feasible. This is promising as it may allow future wireless sensor techniques in the reticulum to continuously monitor a range of important behaviors of cows.
    MeSH term(s) Algorithms ; Animals ; Behavior, Animal/physiology ; Cattle/physiology ; Female ; Pressure ; Reticulum/physiology
    Language English
    Publishing date 2021-07-22
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ISSN 1932-6203
    ISSN (online) 1932-6203
    DOI 10.1371/journal.pone.0254410
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Pythium insidiosum: An overview

    Gaastra, Wim / Lipman, Len J.A / De Cock, Arthur W.A.M / Exel, Tim K / Pegge, Raymond B.G / Scheurwater, Josje / Vilela, Raquel / Mendoza, Leonel

    Veterinary microbiology. 2010 Nov. 20, v. 146, no. 1-2

    2010  

    Abstract: Pythium insidiosum is an oomycete pathogenic in mammals. The infection occurs mainly in tropical and subtropical areas, particularly in horses, dogs and humans. Infection is acquired through small wounds via contact with water that contains motile ... ...

    Abstract Pythium insidiosum is an oomycete pathogenic in mammals. The infection occurs mainly in tropical and subtropical areas, particularly in horses, dogs and humans. Infection is acquired through small wounds via contact with water that contains motile zoospores or other propagules (zoospores or hyphae). The disease, though described as emerging has in fact already been described since 1884. Depending on the site of entry, infection can lead to different forms of pythiosis i.e. a cutaneous, vascular, ocular, gastrointestinal and a systemic form, which is rarely seen. The infection is not contagious; no animal-animal or animal-human transmission has been reported so far. Therapy includes radical surgery, antifungal drugs, immunotherapy or a combination of these therapies. The prevention to contract the disease in endemic areas is difficult. Avoiding stagnant waters could be of help, although the presence of P. insidiosum on grass and soil in enzootic areas renders this practice useless.
    Keywords Pythium insidiosum ; animal pathogenic fungi ; horses ; dogs ; pets ; humans ; host range ; zoospores ; hyphae ; skin lesions ; emerging diseases ; disease course ; signs and symptoms (animals and humans) ; mycoses ; surgery ; antifungal agents ; immunotherapy ; disease prevention ; microbial contamination ; surface water
    Language English
    Dates of publication 2010-1120
    Size p. 1-16.
    Publishing place Amsterdam; New York: Elsevier
    Document type Article
    ZDB-ID 753154-0
    ISSN 1873-2542 ; 0378-1135
    ISSN (online) 1873-2542
    ISSN 0378-1135
    DOI 10.1016/j.vetmic.2010.07.019
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 2917: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (2.OG)
    ab Jg. 2022: Lesesaal (EG)

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  5. Article ; Online: Pythium insidiosum: an overview.

    Gaastra, Wim / Lipman, Len J A / De Cock, Arthur W A M / Exel, Tim K / Pegge, Raymond B G / Scheurwater, Josje / Vilela, Raquel / Mendoza, Leonel

    Veterinary microbiology

    2010  Volume 146, Issue 1-2, Page(s) 1–16

    Abstract: Pythium insidiosum is an oomycete pathogenic in mammals. The infection occurs mainly in tropical and subtropical areas, particularly in horses, dogs and humans. Infection is acquired through small wounds via contact with water that contains motile ... ...

    Abstract Pythium insidiosum is an oomycete pathogenic in mammals. The infection occurs mainly in tropical and subtropical areas, particularly in horses, dogs and humans. Infection is acquired through small wounds via contact with water that contains motile zoospores or other propagules (zoospores or hyphae). The disease, though described as emerging has in fact already been described since 1884. Depending on the site of entry, infection can lead to different forms of pythiosis i.e. a cutaneous, vascular, ocular, gastrointestinal and a systemic form, which is rarely seen. The infection is not contagious; no animal-animal or animal-human transmission has been reported so far. Therapy includes radical surgery, antifungal drugs, immunotherapy or a combination of these therapies. The prevention to contract the disease in endemic areas is difficult. Avoiding stagnant waters could be of help, although the presence of P. insidiosum on grass and soil in enzootic areas renders this practice useless.
    MeSH term(s) Animals ; Animals, Zoo/microbiology ; Antifungal Agents/therapeutic use ; Cats/microbiology ; Cattle ; Cattle Diseases/microbiology ; Dog Diseases/microbiology ; Dogs/microbiology ; Horse Diseases/microbiology ; Horses/microbiology ; Humans ; Phylogeny ; Pythiosis/drug therapy ; Pythiosis/etiology ; Pythiosis/microbiology ; Pythiosis/pathology ; Pythiosis/veterinary ; Pythium/drug effects ; Pythium/genetics ; Rabbits ; Sheep/microbiology ; Sheep Diseases/microbiology
    Chemical Substances Antifungal Agents
    Language English
    Publishing date 2010-11-20
    Publishing country Netherlands
    Document type Journal Article ; Review
    ZDB-ID 753154-0
    ISSN 1873-2542 ; 0378-1135
    ISSN (online) 1873-2542
    ISSN 0378-1135
    DOI 10.1016/j.vetmic.2010.07.019
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Kategorien

    In stock of ZB MED Cologne/Königswinter

    Zs.A 2917: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (2.OG)
    ab Jg. 2022: Lesesaal (EG)

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