Electronic Journal of Polish Agricultural Universities (EJPAU) founded by all Polish Agriculture Universities presents original papers and review articles relevant to all aspects of agricultural sciences. It is target for persons working both in science and industry,regulatory agencies or teaching in agricultural sector. Covered by IFIS Publishing (Food Science and Technology Abstracts), ELSEVIER Science - Food Science and Technology Program, CAS USA (Chemical Abstracts), CABI Publishing UK and ALPSP (Association of Learned and Professional Society Publisher - full membership). Presented in the Master List of Thomson ISI.

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Kuczaj M. 2003. ANALYSIS OF CHANGES IN UDDER SIZE OF HIGH-YELDING COWS IN SUBSEQUENT LACTATIONS WITH REGARD TO MASTITIS, EJPAU 6(1), #02.
Available Online: http://www.ejpau.media.pl/volume6/issue1/animal/abs-02.html

ABSTRACT

Udders and teats conformation changes that undergo in subsequent lactations were analysed with regard to mastitis. The studies included 97 Black-and-White and Red-and-White cows managed in a herd of an average annual yield of 10,000 kg of milk, in one of the leading specialist farms located in south-west Poland. First lactation cows are characterised by relatively low somatic cell counts in milk, lower than multiparous cows. SCC in the milk of third lactation cows, compared to milk of primiparous cows, increased over five-fold (at p Ł

Key words: dairy cows, udder and teat conformation, SCC, mastitis.

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