نتایج جستجو برای: udder health

تعداد نتایج: 979674  

Journal: :Journal of animal science 1987
R S DeNise D E Ray A M Lane V L Rundle M Torabi

Udder capacity and udder shape were scored on 3- to 10-yr-old cows from a large Hereford herd. Udder capacity was scored from 1 (small) and 5 (large) and udder shape was scored from 1 (balanced, udder level with ground) to 5 (unbalanced, funnel-shaped udder). Data were analyzed within age of cow for udder capacity scores from 1 to 4 and for udder shape scores from 1 to 3 because of the limited ...

Journal: :iranian journal of applied animal science 2015
k.y. merkhan

characteristic of the udder, milk traits and their relationship were investigated in 32 awassi ewes raised in a commercial flock. commencing one month after lambing milk yield was recorded at monthly intervals until the ewes were dried. also, the udder traits were measured, including udder width, udder circumference, udder length, distance between teats and length and diameter of both teats. re...

2014
Katharina Abb-Schwedler Ariane Maeschli Renate Boss Hans U Graber Adrian Steiner Peter Klocke

BACKGROUND Infection pathways of S. aureus udder infections in heifers are still not well understood. One hypothesis is that calves become infected with S. aureus via feeding mastitis milk. Especially on small-scale farms, pasteurisers are not economic. The purpose of this randomised comparative study was to investigate the influence of feeding milk containing S. aureus genotype B (SAGTB) on th...

Journal: :علوم دامی ایران 0
مریم صفدری شاهرودی دانشجوی دوره دکتری پردیس کشاورزی و منابع طبیعی دانشگاه تهران عباس پاکدل استادیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران سید رضا میرایی آشتیانی استاد پردیس کشاورزی و منابع طبیعی دانشگاه تهران

genetic and phenotypic parameters related to production traits, udder conformation and somatic cell count for the iranian holstein cows were estimated. monthly records of somatic cell counts (scc) were primarily transformed into somatic cell scores (scs) and the the average level of lactation period, with correction for milk volume, was calculated. by use of these estimates an udder health inde...

2011
Yasmin Gundelach Elke Kalscheuer Henning Hamann Martina Hoedemaker

Factors affecting bacteriological cure rates (BCR) and new intramammary infections (IMI) during the dry period as well as clinical mastitis (CM) during early lactation were investigated in 414 German Holstein dairy cows receiving dry cow therapy. Cows were treated with either benethamine benzylpenicillin (300,000 IU), penethamate hydriodide (100,000 IU), and framycetin sulphate (100 mg, n = 136...

Journal: :Journal of dairy science 2010
J Jansen C D M Steuten R J Renes N Aarts T J G M Lam

Worldwide, programs to control mastitis are implemented using different strategies to reach farmers. Even though education materials and best practices may be technically optimal, they need to be used to be successful. Thus, effective communication with farmers is essential in order to change their behavior and to improve their farm management. During a Dutch national mastitis control program, ...

Journal: :The Onderstepoort journal of veterinary research 2008
I M Petzer E F Donkin E Du Preez J Karzis T J Van Der Schans J C Watermeyer R Van Reenen

This study investigated the withdrawal periods (WP) of two intramammary antibiotics Cloxamast LC (Intervet SA) and Spectrazol Milking Cow (Schering-Plough Animal Health) in dairy goats and compared them to those recommended for use in cattle. The WP for Cloxamast LC, measured by the Thermo Resistant Inhibitory Substances (TRIS) test, was 60 h in composite samples, 56 h in udder half samples, an...

Journal: :Journal of Advances in VetBio Science and Techniques 2020

2010
M. A. Uddin M. M. Kamal M. E. Haque

An epidemiologic study was conducted on 581 dairy cows (indigenous and its crosses 371, exotic crosses 210) of 4 government establishments to find prevalence of udder and teat diseases and their association with udder and teat characteristic, milk yield and milk flow rate in dairy cows. Mastitis (25.5%) was most common disease followed by udder skin diseases (15.0%) and teat diseases (12.6%). P...

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