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Articles 1 - 12 of 12
Full-Text Articles in Medicine and Health Sciences
Short Communication: Relationship Between Body Growth And Mammary Development In Dairy Heifers, L F. Silva, M J. Vandehaar, Brian K. Whitlock, R P. Radcliff, H A. Tucker
Short Communication: Relationship Between Body Growth And Mammary Development In Dairy Heifers, L F. Silva, M J. Vandehaar, Brian K. Whitlock, R P. Radcliff, H A. Tucker
Faculty Publications and Other Works -- Large Animal Clinical Sciences
Our objective was to determine if prepubertal rate of body weight (BW) gain, independent of diet, was related to mammary development of dairy heifers. Data from two studies recently conducted at Michigan State University were used to identify factors, within a dietary treatment group, that would account for variation in first lactation milk production or amount of mammary parenchymal DNA at the time of puberty. Factors analyzed for variation in milk production during first lactation were: postpartum BW, prepubertal BW gain, gestational BW gain, postpartum BW gain, body condition score (BCS) at breeding, and BCS at calving. Factors analyzed for …
Short Communication: Relationship Between Body Growth And Mammary Development In Dairy Heifers, L F. Silva, M J. Vandehaar, Brian K. Whitlock, R P. Radcliff, H A. Tucker
Short Communication: Relationship Between Body Growth And Mammary Development In Dairy Heifers, L F. Silva, M J. Vandehaar, Brian K. Whitlock, R P. Radcliff, H A. Tucker
Brian K Whitlock, PhD, DVM, DACT
Our objective was to determine if prepubertal rate of body weight (BW) gain, independent of diet, was related to mammary development of dairy heifers. Data from two studies recently conducted at Michigan State University were used to identify factors, within a dietary treatment group, that would account for variation in first lactation milk production or amount of mammary parenchymal DNA at the time of puberty. Factors analyzed for variation in milk production during first lactation were: postpartum BW, prepubertal BW gain, gestational BW gain, postpartum BW gain, body condition score (BCS) at breeding, and BCS at calving. Factors analyzed for …
The Gamma-Subunit Of The Na-K-Atpase As A Potential Regulator Of Apical And Basolateral Na+-Pump Isozymes During Development Of Bovine Pre-Attachment Embryos., L C Barcroft, S E Gill, A J Watson
The Gamma-Subunit Of The Na-K-Atpase As A Potential Regulator Of Apical And Basolateral Na+-Pump Isozymes During Development Of Bovine Pre-Attachment Embryos., L C Barcroft, S E Gill, A J Watson
Obstetrics & Gynaecology Publications
Expression and activity of the Na-K-ATPase within the basolateral membrane domains of the trophectoderm epithelium provide the driving force for accumulation of Na(+) and Cl(-) across the nascent epithelium, mediating fluid movement into the forming blastocoel. Within the trophectoderm of the bovine blastocyst, multiple isozymes of the Na-K-ATPase are expressed. Immunolocalization has demonstrated that the alpha1-isozyme localizes within the basolateral membrane, whereas the alpha 3-isozyme localizes to the apical cell margins. Gene-specific RT-PCR and wholemount indirect immunofluorescence confocal laser scanning microscopy were used to examine expression of the Na-K-ATPase gamma-subunit (a regulatory subunit of the Na-K-ATPase) throughout development of bovine …
Bse: Risk, Uncertainty, And Policy Change, Enda Cummins, Pat Grace, Kevin Mcdonnell, Shane Ward
Bse: Risk, Uncertainty, And Policy Change, Enda Cummins, Pat Grace, Kevin Mcdonnell, Shane Ward
RISK: Health, Safety & Environment (1990-2002)
The authors discuss how, in our "risk society," a range of potential risks and uncertainties are associated with new technologies and new diseases, such as BSE. These risks bring with them worries about human health, while the ability to assess and manage new health scares is an essential skill for government and related industries.
Sero-Prevalance Of Toxoplasma Gondii By The Sabin-Feldman And Indirect Flourescent Antibody Tests In Cattle In The Turkish Republic Of Northern Cyprus, Serpi̇l Nalbantoğlu, Zati̇ Vatansever, Ahmet Deni̇z, Cahi̇t Babür, Ayşe Çakmak, K. Zafer Karaer, Ersan Korudağ
Sero-Prevalance Of Toxoplasma Gondii By The Sabin-Feldman And Indirect Flourescent Antibody Tests In Cattle In The Turkish Republic Of Northern Cyprus, Serpi̇l Nalbantoğlu, Zati̇ Vatansever, Ahmet Deni̇z, Cahi̇t Babür, Ayşe Çakmak, K. Zafer Karaer, Ersan Korudağ
Turkish Journal of Veterinary & Animal Sciences
This study was carried out to detect the prevalence of Toxoplasma gondii in cattle in the Turkish Republic of Northern Cyprus. Serum samples obtained from 98 cattle of different regions and age groups were tested for T.gondii antibodies by the Sabin-Feldman and Indirect Flourescent Antibody tests. According to the results of the SF test, 34 animals (34.69%), and according to the results of the IFA test 30 (30.61%) animals were found to be seropositive. Statistical evaluations showed that the results of the two tests were in agreement with each other.
Seroprevalence Of Bovine Babesiosis Around Kayseri, Abdullah İnci̇, Ayşe Çakmak, K. Zafer Karaer, Şükran Di̇nçer, Fahri̇ Sayin, Anil İça
Seroprevalence Of Bovine Babesiosis Around Kayseri, Abdullah İnci̇, Ayşe Çakmak, K. Zafer Karaer, Şükran Di̇nçer, Fahri̇ Sayin, Anil İça
Turkish Journal of Veterinary & Animal Sciences
This study was carried out on cattle to detect the seroprevalence of babesiosis around Kayseri between July 1997 and January 1999. During this period a total of 191 cattle were examined for the Babesia species. Blood samples were collected from the cattle to obtain sera. During sampling, thick and thin blood smears were prepared from the punctured tail of each animal. Ticks were collected from the animals sampled. The sera were tested for the presence of antibodies to the Babesia species by IFAT. The blood smears were stained with 5% Giemsa's stain solution, and were examined microscopically with oil immersion. …
Determination Of The Seroprevalence Of Leptospira In Cattle By Mat And Elisa, Hasan Basri̇ Ertaş, Burhan Çeti̇nkaya, Adi̇le Muz, Hasan Öngör, Vi̇ldan Özdemi̇r, Nahi̇t Yazicioğlu
Determination Of The Seroprevalence Of Leptospira In Cattle By Mat And Elisa, Hasan Basri̇ Ertaş, Burhan Çeti̇nkaya, Adi̇le Muz, Hasan Öngör, Vi̇ldan Özdemi̇r, Nahi̇t Yazicioğlu
Turkish Journal of Veterinary & Animal Sciences
In this study, 275 serum samples collected from cattle at various ages and of both sexes, slaughtered at state or private abattoirs in Elazığ, Malatya and Diyarbakır were examined by MAT and ELISA for the presence of antibodies against Leptospira species. In the serological analysis, using antigens prepared from reference Leptospira hardjo, L. pomona, L. grippotyphosa, L. hebdomadis, and L. icterohaemorrhagiae cultures, 44 (16%) and 64 (23.3%) of the samples were determined to be positive with MAT and ELISA, respectively.
Electrophoretypes Of Bovine Rotaviruses Detected In Turkey, Aykut Özkul, Kadi̇r Yeşi̇lbağ, Taner Karaoğlu, İbrahi̇m Burgu
Electrophoretypes Of Bovine Rotaviruses Detected In Turkey, Aykut Özkul, Kadi̇r Yeşi̇lbağ, Taner Karaoğlu, İbrahi̇m Burgu
Turkish Journal of Veterinary & Animal Sciences
A total of 83 faecal samples carrying rotavirus were used in this survey. Five different electrophoretypes were distinguished according to their migration patterns. All the rotaviruses examined in this research proved to be group A and to have short migration patterns. While local migration patterns were detected in individual herds (e.g. A, B, C, M, P and T), two different migration profiles were detected in herd K during rotavirus enteritis after a two year interval. The greatest variations in electrophoretic mobility in the groups were found in segments 2-4, and 6-9, while segments 1, 10, and 11 showed the most …
Some Genetic Parameters Of Milk Production In The Holstein Breed, Okan Ertuğrul, Mehmet Nurullah Orman, Güven Güneren
Some Genetic Parameters Of Milk Production In The Holstein Breed, Okan Ertuğrul, Mehmet Nurullah Orman, Güven Güneren
Turkish Journal of Veterinary & Animal Sciences
This study was carried out to estimate the heritabilities and the genetic and phenotypic correlations between some milk production traits in Holstein cows in Ceylanpınar State Farm. A mixed-model equation was used in the study. The heritabilities and the genetic correlations were estimated by the Restricted Maximum Likelihood method (REML) for all the variables. Phenotypic correlations were estimated from measurements of the traits. Paternal half-sib correlations were used for the estimation of the heritability values. The heritabilities for the 2x305ME milk yield, the lactation length, the length of the dry period, and the calving interval were estimated to be 0.169±0.0287, …
Investigation Of Selenium And Vitamin E Deficiency In Beef Cattle, Murat Dabak, Fi̇kret Karataş, Yusuf Gül, Ömer Kizil
Investigation Of Selenium And Vitamin E Deficiency In Beef Cattle, Murat Dabak, Fi̇kret Karataş, Yusuf Gül, Ömer Kizil
Turkish Journal of Veterinary & Animal Sciences
Following the successful treatment of a bullock with white muscle disease admitted to the Internal Medicine Clinic of Fırat University, Faculty of Veterinary Medicine, selenium and vitamin E deficiency was ascertained in beef cattles of the same barn. Seventeen head of beef cattle randomly selected from the barn suspected of having selenium and vitamin E deficiency and 10 clinically healthy head of beef cattle from a different barn were used. All the animals were clinically examined and blood samples were taken for laboratory analysis [serum selenium, vitamin E and A, Creatine Kinase (CK) and Aspartate Amino Transferase (AST) levels]. In …
Application Of Western Blotting For The Immunodiagnosis Of Fasciola Hepatica In Cattle Using Excretory/Secretory Antigens, H. Oğuz Sarimehmetoğlu
Application Of Western Blotting For The Immunodiagnosis Of Fasciola Hepatica In Cattle Using Excretory/Secretory Antigens, H. Oğuz Sarimehmetoğlu
Turkish Journal of Veterinary & Animal Sciences
In this study, protein bands of excretory/secretory antigens of Fasciola hepatica were determined using SDS-PAGE and Western blotting. Blood and faecal samples were obtained from cattle brought to Kazan slaughterhouse. After examining the organs and faecal samples of these cattle for Fasciola hepatica and other helminths, serum samples were divided into two groups as positive (10 cattle) and negative (5 cattle) for F. hepatica. The sera of these two groups were tested using Western blotting. The bands obtained from the sera of positive and negative groups were compared and the specific protein bands for F. hepatica infection were 36, 29 …
The Prevalance Of Tick Species (Ixodoidea) In Cattle, Sheep And Goats In The Burdur Region, Turkey, Bayram Ali̇ Yukari, Şi̇nasi̇ Umur
The Prevalance Of Tick Species (Ixodoidea) In Cattle, Sheep And Goats In The Burdur Region, Turkey, Bayram Ali̇ Yukari, Şi̇nasi̇ Umur
Turkish Journal of Veterinary & Animal Sciences
This study was conducted with the aim of identifying the tick species infesting cattle, sheep and goats and their seasonal activities in the Burdur area of Turkey. The study was carried out between 1 September 1999 and 31 August 2000 on animals owned by local farmers in Burdur and 14 surrounding villages. The study centres were visited twice a month. The ticks collected from animals and barns were brought to the laboratory and identified at species level by stereo-microscopic examination. A total of 756 cattle, 996 sheep and 698 goats were examined. During the study period, a total of 3280 …