نتایج جستجو برای: 519 blood samples from cows during 2012

تعداد نتایج: 7022307  

Journal: :Revista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria 2013
César Augusto Barbosa de Macedo Madlaine Frigo Silveira Barbosa de Macedo Sergio Tosi Cardim Milaine Cristiane Dantas Custódio Paiva Alessandra Taroda Luiz Daniel Barros Ivo Alexandre Leme da Cunha Dauton Luiz Zulpo João Luis Garcia

Neospora caninum is a worldwide parasite recognized as one of the main parasites responsible for abortion in cattle. The objective of this study was to evaluate vertical transmission of N. caninum in dairy cows (Bos taurus) that were slaughtered at an abattoir in the state of Santa Catarina, southern Brazil. Blood samples (with and without EDTA) from 60 pregnant dairy cows and blood and tissue ...

Journal: :علوم دامی ایران 0
رضا نظرزاده دانش آموخته کارشناسی ارشد، گروه علوم دامی، دانشگاه زنجان مهدی دهقان بنادکی دانشیار گروه علوم دامی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران حمید امانلو دانشیار، گروه علوم دامی، دانشگاه زنجان حمیدرضا میرزایی الموتی استادیار گروه علوم دامی، دانشگاه زنجان

the objective fllowed in the present study was to evaluate the effects of different milkingfrequencies on milk production and on blood metabolites in holstein cows. sixty-six fresh holsteincows were allocated to two treatments namely: 4 (4x) vs. 6 times (6x) of daily milking, during the first3 months of lactation, and then switching on to a three times of daily milking until end of the lactatio...

Minerals and some biochemical parameters determined from blood serum analyses in left displacement abomasum (LDA) affected and healthy dairy cows to evaluate the effect of displacement abomasum on mineral status, energy metabolism and liver function. Samples were collected from 60 affected cows and 60 healthy control cows matched with cases, based on herd, parity, and stage of lactation. Concen...

A. Mirzaei A. Omidi, M. Mohebbi-Fani M. Seirafinia S. Nazifi

Background: Evaluation of energy metabolism indices in mid-lactation Holstein cows is critical to monitor health status. Aims: The objective of this study was to assess the effects of low (≤0.75) vs. high (>0.75) drops in body condition score (BCS) until day 60 post-partum on energy metabolism indices during mid-lactation in Holstein cows. Meth...

Journal: :Journal of dairy science 2009
R Zeng B J Bequette B T Vinyard D D Bannerman

Blood and milk concentrations of the acute phase protein lipopolysaccharide-binding protein (LBP) were evaluated in cows with naturally occurring mastitis. Blood and milk samples were collected from 101 clinically healthy dairy cows and 17 dairy cows diagnosed with clinical mastitis, and the LBP concentrations of the samples were measured by an ELISA. Concentrations of LBP were greater in the b...

Ameneh Khoshvaghti Amir Vafafar Hamid reza Gheisari Saied Nazifi

This study was designed to evaluate serum and milk haptoglobin (Hp) as an inflammatory indicators for the diagnosis of diseases in cattle in Fars province of Iran. Blood samples were collected from the coccygeal vein of 20 clinically healthy cattle and 100 cows with various inflammatory diseases. There were significant differences in serum and milk Hp between clinically healthy cattle and disea...

Journal: :archives of razi institute 2016
a. haghparast g.r. hashemi tabar z. naseri

the measurement of antibody responses of animals exposed to bvdv either through a natural exposure or an immunization protocol is still a standard procedure. for bvdv, the test formats have been largely limited to elisa which is a valuable diagnostic test to measure the level of bvdv specific antibodies as well as antigen in blood samples. in the present study, 120 blood samples were collected ...

Journal: :Journal of reproduction and fertility 1975
H Dobson R J Fitzpatrick

In veterinary clinical practice, HCG is widely used as a commercially available substitute for LH to induce follicular rupture and CL formation in infertile cows. The present study was undertaken to determine the effect of HCG on ovarian function in normal cows before conducting a similar investigation in infertile animals. The HCG was administered before the expected increase in endogenous LH ...

2014
R. K. Al – Saad

Objective: study was conducted to determine the prevalence and incidence of Giardia lamblia parasite between human and cows in Basrah province with comparitives. Design: During research collected 1344 stool samples from human and 1049 stool samples from cows from September 2012 to May 2013. All samples collected in sterilized cups, then examined under microscope by conventional microscopic meth...

Journal: :veterinary research forum 2015
sayed mortaza alavi shoushtari siamak asri rezaie amir khaki abulfazl belbasi hamid tahmasebian

to investigate uterine fluid and serum copper (cu) and zinc (zn) variations during the estrous cycle in water buffaloes, 71 genital tracts and blood samples were collected from the abattoir in urmia, iran. the phase of the estrous cycle was determined by examining ovarian structures; 18, 15, 16 and 22 were pro-estrous, estrous, met-estrous and diestrous, respectively. the uterine fluid was coll...

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