Changes in the values of two ultrasound-examined teat parameters during the dry period in dairy cows

Tamás Tóth; Zsolt Abonyi-Tóth; Ferenc Pajor; Róbert Kocsis; Alexandra Juhász; János Tőzsér; Péter Póti

doi:10.1556/004.2019.045

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Acta Veterinaria Hungarica

Volume/Issue:: Volume 67: Issue 3

Changes in the values of two ultrasound-examined teat parameters during the dry period in dairy cows

Authors:

Tamás Tóth

Tamás Tóth Animal Husbandry Institute, Szent István University, Páter K. u. 1, H-2100 Gödöllő, Hungary;

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Zsolt Abonyi-Tóth

Zsolt Abonyi-Tóth Department of Biomathematics and Informatics, University of Veterinary Medicine, Budapest, Hungary;

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Ferenc Pajor

Ferenc Pajor Animal Husbandry Institute, Szent István University, Páter K. u. 1, H-2100 Gödöllő, Hungary;

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Róbert Kocsis

Róbert Kocsis Hungarian Milk Experimentation Institute, Mosonmagyaróvár, Hungary;

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Alexandra Juhász

Alexandra Juhász Department of Parasitology and Zoology, University of Veterinary Medicine, Budapest, Hungary

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János Tőzsér

János Tőzsér Animal Husbandry Institute, Szent István University, Páter K. u. 1, H-2100 Gödöllő, Hungary;

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Péter Póti

Péter Póti Animal Husbandry Institute, Szent István University, Páter K. u. 1, H-2100 Gödöllő, Hungary;

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Pages:: 456–462

Online Publication Date:: Sep 2019

Publication Date:: 01 Sep 2019

Article Category:: Journal Article

DOI:: https://doi.org/10.1556/004.2019.045

Keywords:: Streak canal; area of teat end; ultrasound; cow; dry period

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The length of the streak canal and the area of the teat end were studied by ultrasound during the dry period in 40 Holstein-Friesian cows. In the first week, the values of these teat parameters decreased significantly (P < 0.05) and this did not change significantly until the middle of the dry period. In the last month of gestation, the length of the streak canal was significantly reduced (P < 0.05), while the area of the teat end did not decrease significantly (P > 0.05). At each of the five examination times, a very strong positive correlation (r = 0.85-0.94) was found between the two teat parameters. In healthy cows, the streak canal and the area of teat end, both of which are part of the udder’s defence system, can regenerate sufficiently during the dry period, minimising the risk of contamination through the streak canal and the development of mastitis. If the regeneration of this defence system fails, the chances of infection through the streak canal increase.

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Acta Veterinaria Hungarica

Print ISSN:: 0236-6290

Online ISSN:: 1588-2705

Editorial Board

Mária BENKŐ (Acta Veterinaria Hungarica, Budapest, Hungary)
Gábor BODÓ (University of Veterinary Medicine, Budapest, Hungary)
Béla DÉNES (University of Veterinary Medicine, Budapest Hungary)
Edit ESZTERBAUER (Veterinary Medical Research Institute, Budapest, Hungary)
Hedvig FÉBEL (University of Veterinary Medicine, Budapest, Hungary)
László FODOR (University of Veterinary Medicine, Budapest, Hungary)
János GÁL (University of Veterinary Medicine, Budapest, Hungary)
Balázs HARRACH (Veterinary Medical Research Institute, Budapest, Hungary)
Peter MASSÁNYI (Slovak University of Agriculture in Nitra, Nitra, Slovak Republic)
Béla NAGY (Veterinary Medical Research Institute, Budapest, Hungary)
Tibor NÉMETH (University of Veterinary Medicine, Budapest, Hungary)
Zsuzsanna NEOGRÁDY (University of Veterinary Medicine, Budapest, Hungary)
Dušan PALIĆ (Ludwig Maximilian University, Munich, Germany)
Alessandra PELAGALLI (University of Naples Federico II, Naples, Italy)
Kurt PFISTER (Ludwig-Maximilians-University of Munich, Munich, Germany)
László SOLTI (University of Veterinary Medicine, Budapest, Hungary)
József SZABÓ (University of Veterinary Medicine, Budapest, Hungary)
Péter VAJDOVICH (University of Veterinary Medicine, Budapest, Hungary)
János VARGA (University of Veterinary Medicine, Budapest, Hungary)
Štefan VILČEK (University of Veterinary Medicine in Kosice, Kosice, Slovak Republic)
Károly VÖRÖS (University of Veterinary Medicine, Budapest, Hungary)
Herbert WEISSENBÖCK (University of Veterinary Medicine, Vienna, Austria)
Attila ZSARNOVSZKY (Szent István University, Gödöllő, Hungary)

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Acta Veterinaria Hungarica
Language	English
Size	A4
Year of Foundation	1951
Volumes per Year	1
Issues per Year	4
Founder	Magyar Tudományos Akadémia
Founder's Address	H-1051 Budapest, Hungary, Széchenyi István tér 9.
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ISSN	0236-6290 (Print)
ISSN	1588-2705 (Online)