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Veterinary Medicine

2009

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Full-Text Articles in Life Sciences

Ppar Agonists Down-Regulate The Expression Of Atp10c Mrna During Adipogenesis, A Peretich, Maria Cekanova Ms, Rndr, Phd, S Hurst, Sj Baek, Madhu Dahr Nov 2009

Ppar Agonists Down-Regulate The Expression Of Atp10c Mrna During Adipogenesis, A Peretich, Maria Cekanova Ms, Rndr, Phd, S Hurst, Sj Baek, Madhu Dahr

Faculty Publications and Other Works -- Biochemistry, Cellular and Molecular Biology

No abstract provided.


Ppar Agonists Down-Regulate The Expression Of Atp10c Mrna During Adipogenesis, A Peretich, Maria Cekanova Ms, Rndr, Phd, S Hurst, Sj Baek, Madhu Dahr Nov 2009

Ppar Agonists Down-Regulate The Expression Of Atp10c Mrna During Adipogenesis, A Peretich, Maria Cekanova Ms, Rndr, Phd, S Hurst, Sj Baek, Madhu Dahr

Maria Cekanova MS, RNDr, PhD

No abstract provided.


Methods And Compositions For Vaccnation Of Animals With Prrsv Antigens With Improved Immunogenicity, Israrul H. Ansari, Fernando A. Osorio, Asit K. Pattnaik, Oct 2009

Methods And Compositions For Vaccnation Of Animals With Prrsv Antigens With Improved Immunogenicity, Israrul H. Ansari, Fernando A. Osorio, Asit K. Pattnaik,

School of Veterinary and Biomedical Sciences: Faculty Publications

Pigs challenged with hypoglycosylated variants of Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) major surface protein GP5 exhibited increased production of PRRSV-neutralizing antibodies relative to the levels of neutralizing antibodies produced by pigs immunized with wild type (wt) or glycosylated GP5. This invention provides for methods of obtaining improved immune responses in pigs to PRRSV, compositions useful for obtaining the improved immune responses as well as isolated polynucleotides that encode hypoglycosylated variants of PRRSV major surface protein GP5.


South Dakota Thriving, Fall 2009, College Of Agriculture &. Biological Sciences Oct 2009

South Dakota Thriving, Fall 2009, College Of Agriculture &. Biological Sciences

Growing South Dakota (Publication of the College of Agriculture, Food and Environmental Sciences)

Table of Contents:
[Page] 2 Growing Farmers Markets: South Dakota Cooperative Extension Service Helps Develop and Grow Booming Homegrown markets
[Page] 4 Lighari Leads Restructuring of Extension: Director of South Dakota Cooperative Extension Service Focuses on Building Relationships
[Page} 6 South Dakota's Newest Research Station: The Addition of the SDSU Cow Camp Means Another Tremendous Resource for South Dakota and SDSU
[Page] 8 SDSU Rodeo Builds World Champs: Focus on Academics and Team Leads to Success Inside Both the Classroom and the Arena
|[Page] 12 Behind the Scenes in SDSU's Anatomy Lab: SDSU's Hands-On Anatomy Lab Gives Students the Edge …


Farm Focus - Fall 2009, Brian K. Whitlock, Matt Welborn, Maria Prado, Amy Plummer Oct 2009

Farm Focus - Fall 2009, Brian K. Whitlock, Matt Welborn, Maria Prado, Amy Plummer

Faculty Publications and Other Works -- Large Animal Clinical Sciences

No abstract provided.


Single-Amino-Acid Alterations In A Highly Conserved Central Region Of Vesicular Stomatitis Virus N Protein Differentially Affect The Viral Nucleocapsid Template Functions, Debasis Nayak, Debasis Panda, Subash C. Das, Ming Lou, Asit K. Pattnaik Jun 2009

Single-Amino-Acid Alterations In A Highly Conserved Central Region Of Vesicular Stomatitis Virus N Protein Differentially Affect The Viral Nucleocapsid Template Functions, Debasis Nayak, Debasis Panda, Subash C. Das, Ming Lou, Asit K. Pattnaik

School of Veterinary and Biomedical Sciences: Faculty Publications

The nucleocapsid protein (N) of vesicular stomatitis virus and other rhabdoviruses plays a central role in the assembly and template functions of the viral N-RNA complex. The crystal structure of the viral N-RNA complex suggests that the central region of the N protein interacts with the viral RNA. Sequence alignment of rhabdovirus N proteins revealed several highly conserved regions, one of which spanned residues 282 to 291 (GLSSKSPYSS) in the central region of the molecule. Alanine-scanning mutagenesis of this region suggested that replacement of the tyrosine residue at position 289 (Y289) with alanine resulted in an N-RNA template that is …


Farm Focus - Spring 2009, Brian K. Whitlock, Matt Welborn, Maria Prado, Amy Plummer Apr 2009

Farm Focus - Spring 2009, Brian K. Whitlock, Matt Welborn, Maria Prado, Amy Plummer

Faculty Publications and Other Works -- Large Animal Clinical Sciences

No abstract provided.


Biarsenical Labeling Of Vesicular Stomatitis Virus Encoding Tetracysteine-Tagged M Protein Allows Dynamic Imaging Of M Protein And Virus Uncoating In Infected Cells, Subash C. Das, Debasis Panda, Debasis Nayak, Asit K. Pattnaik Mar 2009

Biarsenical Labeling Of Vesicular Stomatitis Virus Encoding Tetracysteine-Tagged M Protein Allows Dynamic Imaging Of M Protein And Virus Uncoating In Infected Cells, Subash C. Das, Debasis Panda, Debasis Nayak, Asit K. Pattnaik

School of Veterinary and Biomedical Sciences: Faculty Publications

A recombinant vesicular stomatitis virus (VSV-PeGFP-M-MmRFP) encoding enhanced green fluorescent protein fused in frame with P (PeGFP) in place of P and a fusion matrix protein (monomeric red fluorescent protein fused in frame at the carboxy terminus of M [MmRFP]) at the G-L gene junction, in addition to wild-type (wt) M protein in its normal location, was recovered, but the MmRFP was not incorporated into the virions. Subsequently, we generated recombinant viruses (VSV-PeGFP-∆M-Mtc and VSV-∆M-Mtc) encoding Mprotein with a carboxy-terminal tetracysteine tag (Mtc) in place of the M protein. These recombinant viruses incorporated Mtc at levels similar to M in …


Effect Of Noxious Stimulation Upon Antipredator Responses And Dominance Status In Rainbow Trout, Paul J. Ashley, Sian Ringrose, Katie L. Edwards, Emma Wallington, Catherine R. Mccrohan, Lynne U. Sneddon Feb 2009

Effect Of Noxious Stimulation Upon Antipredator Responses And Dominance Status In Rainbow Trout, Paul J. Ashley, Sian Ringrose, Katie L. Edwards, Emma Wallington, Catherine R. Mccrohan, Lynne U. Sneddon

Aquaculture Collection

A potentially painful experience may modify normal behavioural responses. To gauge the importance of pain relative to predation or social status, we presented competing stimuli, a predator cue or an unfamiliar social group, to two groups of noxiously treated rainbow trout, Oncorhynchus mykiss. In the predator cue experiment, fish were classified as bold or shy. Noxiously stimulated fish did not show antipredator responses, suggesting that pain is the imperative. In the social status experiment, noxiously stimulated fish held individually and undisturbed showed an increase in respiration rate and plasma cortisol. As a comparison, we used the dominant or subordinate fish …


The Effects Of The Acetic Acid “Pain” Test On Feeding, Swimming, And Respiratory Responses Of Rainbow Trout (Oncorhynchus Mykiss): A Critique On Newby And Stevens (2008), Lynne U. Sneddon Jan 2009

The Effects Of The Acetic Acid “Pain” Test On Feeding, Swimming, And Respiratory Responses Of Rainbow Trout (Oncorhynchus Mykiss): A Critique On Newby And Stevens (2008), Lynne U. Sneddon

Experimentation Collection

Newby and Stevens’ (2008) paper ‘‘The effects of the acetic acid ‘pain’ test on feeding, swimming, and respiratory responses of rainbow trout (Oncorhynchus mykiss)’’ examines the effects of a noxious stimulus on the behaviour of trout in an attempt to replicate research conducted in my laboratory (Sneddon, 2003a; Sneddon, 2007; Sneddon et al., 2003a,b; Reilly et al., 2008). However, the authors used a different protocol to the one already published and I would like to respond to some of their points of discussion to provide scientific explanations for their results using data from my laboratory. The authors show that swimming …


Utilización De La Haematobia Irritans Y Stomoxis Calcitrans Como Remedio Isopático En El Control Alternativo De Estos Ectoparásitos En Dos Hatos Lecheros Ubicados En El Departamento De Cundinamarca Colombia, Brayan Yersey Castro Rivera, Javier Alexis La Rotta Pineda Jan 2009

Utilización De La Haematobia Irritans Y Stomoxis Calcitrans Como Remedio Isopático En El Control Alternativo De Estos Ectoparásitos En Dos Hatos Lecheros Ubicados En El Departamento De Cundinamarca Colombia, Brayan Yersey Castro Rivera, Javier Alexis La Rotta Pineda

Medicina Veterinaria

El presente estudio se baso en la utilización de la Haemotobia irritans y Stomoxys calcitrans como remedio isopático para el control de estos ectoparásitos. El trabajo se llevo a cabo en dos haciendas dedicadas a la producción láctea especializada, la primera fue la hacienda Liswia y la segunda la Huerta, ubicadas en los municipios de Gachancipá y Facatativá (Cundinamarca, Colombia) respectivamente, el grupo de estudio conto con un numero total de 60 bovinos hembras de raza holstein friesian, en las cuales se aplicaron dos tratamientos T1 y T2, respectivamente en cada finca, además cada tratamiento conto con 15 repeticiones, en …


Group Feeding For The Lactating Cow, Anthony Joseph Martin Jan 2009

Group Feeding For The Lactating Cow, Anthony Joseph Martin

Dairy Science

Feeding individualized rations for lactating dairy cattle in the commercial herd based on dietary needs is a popular issue. This has been a debating topic since evolution of the Total Mixed Ration (TMR). Since dairymen were able to mix grain in a feed wagon and mix a specific dietary ration to meet the demand for an organized group, there has been an issue in which protocol cow pen grouping should take. Dairymen have always feed cattle based on if lactating or late in their gestation, nonlactating. With the evolution of the TMR dairymen are then allowed to go into more …


Light-Induced Fos Expression In Intrinsically Photosensitive Retinal Ganglion Cells In Melanopsin Knockout (Opn4-/-) Mice, Gary E. Pickard, Scott B. Baver, Malcolm D. Ogilvie, Patricia J. Sollars Jan 2009

Light-Induced Fos Expression In Intrinsically Photosensitive Retinal Ganglion Cells In Melanopsin Knockout (Opn4-/-) Mice, Gary E. Pickard, Scott B. Baver, Malcolm D. Ogilvie, Patricia J. Sollars

School of Veterinary and Biomedical Sciences: Faculty Publications

Retinal ganglion cells that express the photopigment melanopsin are intrinsically photosensitive (ipRGCs) and exhibit robust synaptically driven ON-responses to light, yet they will continue to depolarize in response to light when all synaptic input from rod and cone photoreceptors is removed. The light-evoked increase in firing of classical ganglion cells is determined by synaptic input from ON-bipolar cells in the proximal sublamina of the inner plexiform layer. OFF-bipolar cells synapse with ganglion cell dendrites in the distal sublamina of the inner plexiform layer. Of the several types of ipRGC that have been described, M1 ipRGCs send dendrites exclusively into the …


Volume 6, Number 1 (2009), Ut Institute Of Agriculture Jan 2009

Volume 6, Number 1 (2009), Ut Institute Of Agriculture

Tennessee Land, Life and Science Magazine

Issue Highlights:

  • Innovations in Learning


Volume 6, Number 2 (2009), Ut Institute Of Agriculture Jan 2009

Volume 6, Number 2 (2009), Ut Institute Of Agriculture

Tennessee Land, Life and Science Magazine

Issue Highlights:

  • Developing Safer Sports Turfs


Feedyard Assessment: Assessor's Guide Jan 2009

Feedyard Assessment: Assessor's Guide

Nebraska Beef Quality Assurance Program

The BQA Feedyard Assessment is an on-site educational tool that allows for assessing and benchmarking key indicators of animal care and well-being as well as feedyard conditions. The Feedyard Assessment focuses on three main areas – Animals, Records and Best Management Practices (BMP), and Facilities and Equipment.


Stocker And Backgrounding Self Assessment Jan 2009

Stocker And Backgrounding Self Assessment

Nebraska Beef Quality Assurance Program

Cattlemen in stocker operations have long recognized the need to properly care for livestock. Sound animal husbandry practices, based on decades of practical experience and research, are known to impact the well-being of stocker cattle, individual animal health and herd productivity. Stocker cattle operations are located in many diverse environments and geographic locations in the United States. A universal set of production practices can not be recommended for all stocker cattle producers in light of the divergent climate and geographic variations of the stocker and backgrounding segment. Personal experience, training and professional judgment can serve as a valuable resource for …


Somatic Cell Nuclear Transfer In Zebrafish, Kannika Siripattarapravat, Patrick J. Venta, C C. Chang, Jose B. Cibelli Jan 2009

Somatic Cell Nuclear Transfer In Zebrafish, Kannika Siripattarapravat, Patrick J. Venta, C C. Chang, Jose B. Cibelli

Jose Cibelli

We developed a method for somatic cell nuclear transfer in zebrafish using laser-ablated metaphase II eggs as recipients, the micropyle for transfer of the nucleus and an egg activation protocol after nuclear reconstruction. We produced clones from cells of both embryonic and adult origins, although the latter did not give rise to live adult clones.


Farm Focus - Spring 2009, Brian K. Whitlock, Matt Welborn, Maria Prado, Amy Plummer Jan 2009

Farm Focus - Spring 2009, Brian K. Whitlock, Matt Welborn, Maria Prado, Amy Plummer

Brian K Whitlock, PhD, DVM, DACT

No abstract provided.


Farm Focus - Fall 2009, Brian K. Whitlock, Matt Welborn, Maria Prado, Amy Plummer Jan 2009

Farm Focus - Fall 2009, Brian K. Whitlock, Matt Welborn, Maria Prado, Amy Plummer

Brian K Whitlock, PhD, DVM, DACT

No abstract provided.


Growth Response Of Yearling Buffalo Male Calves To Different Dietary Energy Levels, Homayoun Mahmoudzadeh, Hassan Fazaeli Jan 2009

Growth Response Of Yearling Buffalo Male Calves To Different Dietary Energy Levels, Homayoun Mahmoudzadeh, Hassan Fazaeli

Turkish Journal of Veterinary & Animal Sciences

To evaluate different levels of energy for optimum growth in Iranian regional buffalo male calves, a completely randomized study was conducted, using 27 yearling buffalo male calves with initial live weight of 201 ± 14 kg. Three diets were formulated to provide 90%, 100%, and 110% energy level requirements equivalent to those of steers derived from NRC beef cattle recommendations and they were fed ad libitum for 2 consecutive 90 day trial periods where the crude protein was 11.2% in the first and 10.22% in the second period. Dry matter intake of the high energy diets was significantly (P < 0.05) lower than those with lower energy contents in both periods. At both stages, daily gain was higher (P < 0.05) and feed conversion ratio improved when the animals received NRC recommended energy diets. There were no significant differences between treatments for the carcass traits with exception of abdominal fat, which was significantly affected by the energy levels (P < 0.05). It can be concluded that the optimum growth rate of buffalo male calves may be obtained by providing the NRC beef cattle standard dietary metabolizable energy from yearling to 18 months of age.


Effects Of Lighting Schedule And Ascorbic Acid On Performance And Tibiotarsus Bone Characteristics In Broilers, Hüseyi̇n Yildiz, Meti̇n Petek, Gürsel Sönmez, İlker Arican, Bestami̇ Yilmaz Jan 2009

Effects Of Lighting Schedule And Ascorbic Acid On Performance And Tibiotarsus Bone Characteristics In Broilers, Hüseyi̇n Yildiz, Meti̇n Petek, Gürsel Sönmez, İlker Arican, Bestami̇ Yilmaz

Turkish Journal of Veterinary & Animal Sciences

This study was conducted to determine the effects of 2 lighting programs (continuous: 24 h light:0 h dark; intermittent: 12 h daylight followed by 3 cycles of 1 h light, and then 3 h dark during the night) and 3 ascorbic acid supplementations (0, 200, and 400 mg/L added to water) on broiler performance, bone characteristics, and the incidence of tibial dyschondroplasia. One-day-old male commercial (Ross PM_3) broiler chicks (600) were divided into 6 treatment groups (2 × 3) with random replicates (4 replicates per treatment). At the end of 6 weeks data revealed that the lighting program, which was …


Prevalence And Etiology Of Subclinical Mastitis In Awassi Dairy Ewes In Southern Turkey, Yaşar Ergün, Özkan Aslantaş, Gökhan Doğruer, Ekrem Ki̇reçci̇, Mustafa K. Saribay, Cafer Tayyar Ateş, Alev Ülkü, Cemi̇l Demi̇r Jan 2009

Prevalence And Etiology Of Subclinical Mastitis In Awassi Dairy Ewes In Southern Turkey, Yaşar Ergün, Özkan Aslantaş, Gökhan Doğruer, Ekrem Ki̇reçci̇, Mustafa K. Saribay, Cafer Tayyar Ateş, Alev Ülkü, Cemi̇l Demi̇r

Turkish Journal of Veterinary & Animal Sciences

In order to study the prevalence and etiology of subclinical mastitis a bacteriological survey on 16 Awassi dairy sheep flocks in southern Turkey was conducted. A total of 1458 milk samples from 729 Awassi ewes in mid-lactation were tested with the California mastitis test (CMT). Samples from 170 (11.7%) glands and 135 (18.5%) sheep had positive CMT results. Bacteria were isolated from 93 (6.4%) udder halves and 82 (11.2%) ewes. Positive CMT and bacteriological results were combined to define subclinical mastitis. The prevalence of subclinical mastitis and positive CMT samples among the different flocks ranged from 1.9% to 11.5% and …


Fattening Costs Of Beef Breeds Reared Under Controlled Conditions And The Determination Of Optimum Fattening Period, Ahmet Şahi̇n, Bülent Mi̇ran, İbrahi̇m Yildirim, Alper Önenç, Ahmet Alçi̇çek Jan 2009

Fattening Costs Of Beef Breeds Reared Under Controlled Conditions And The Determination Of Optimum Fattening Period, Ahmet Şahi̇n, Bülent Mi̇ran, İbrahi̇m Yildirim, Alper Önenç, Ahmet Alçi̇çek

Turkish Journal of Veterinary & Animal Sciences

The primary purpose of this study was to calculate the fattening costs of different cattle breeds reared under controlled conditions and to determine the optimal fattening period that will maximize the net profit. The data were from 21 bullocks consisting of 7 Holstein, 7 Piedmont × Holstein, and 7 Limousin × Holstein cross-breed cattle reared and fattened in the closed tie-stall experiment barns of the Aegean Agricultural Research Institute, Turkey. The data used for the analysis were from the year 1999, but were updated for 2007. The fattening period lasted 280 days, after a rearing period of 195 days. The …


Characterisation Of Coagulase Positive Staphylococcus Species Isolated From Bovine Mastitis Using Protein And Plasmid Patterns, Emi̇ne Arslan, Ayten Çelebi̇, Leyla Açik, Uçkun Sai̇t Uçan Jan 2009

Characterisation Of Coagulase Positive Staphylococcus Species Isolated From Bovine Mastitis Using Protein And Plasmid Patterns, Emi̇ne Arslan, Ayten Çelebi̇, Leyla Açik, Uçkun Sai̇t Uçan

Turkish Journal of Veterinary & Animal Sciences

The objective of this work was to study the protein patterns, plasmid profiles, and antibiotic susceptibility of Staphylococcus intermedius and Staphylococcus aureus isolates originating from mastitic mammary glands of dairy cattle in different parts of Konya province. A total of 114 Staphylococcus species were isolated and identified by conventional bacteriological methods from bovine mastitis. Of the total isolates 77 were identified as S. aureus and 37 as S. intermedius. Intra- and inter-species diversities in the coagulase-positive staphylococci were investigated by analysis of whole-cell protein profiles using sodium dodecyl sulphate-polyacrylamide gel electrophoresis (SDS-PAGE). Plasmid profiling also demonstrated that 75 S. aureus …


A Case Report Of Ulcerative Lymphangitis (A Mini Review Of Causes And Current Therapies), Fereydon Rezazadeh Zavoshti, Amir Babak Sioofy-Khojine, Hassan Ali Mahpeikar Jan 2009

A Case Report Of Ulcerative Lymphangitis (A Mini Review Of Causes And Current Therapies), Fereydon Rezazadeh Zavoshti, Amir Babak Sioofy-Khojine, Hassan Ali Mahpeikar

Turkish Journal of Veterinary & Animal Sciences

Ulcerative lymphangitis, or pigeon fever, is a bacterial infection of the lymphatic vessels of the skin in horses, cattle, sheep, and goats. Corynebacterium pseudotuberculosis is the classical cause of the disease. However, other pathogens such as Staphylococcus aureus have been isolated from cases of ulcerative lymphangitis. The aim of this report is to review the causes of pyoderma and skin abscesses in horses with specific attention to Staphylococcus aureus. A 10-year-old Thoroughbred stallion was examined in the suburbs of Tabriz (northwest of Iran) in February 2007. Skin abscesses were present around the hock joints on the hind limbs, on the …


Seasonal Variation Of Hysterothylacium Aduncum (Nematoda: Raphidascarididae) Infestation In Sparid Fishes In The Northeast Mediterranean Sea, Mustafa Kalay, Ahmet Erdem Dönmez, Cafer Erki̇n Koyuncu, Ercüment Genç, Güzi̇n Şahi̇n Jan 2009

Seasonal Variation Of Hysterothylacium Aduncum (Nematoda: Raphidascarididae) Infestation In Sparid Fishes In The Northeast Mediterranean Sea, Mustafa Kalay, Ahmet Erdem Dönmez, Cafer Erki̇n Koyuncu, Ercüment Genç, Güzi̇n Şahi̇n

Turkish Journal of Veterinary & Animal Sciences

The presence of a Raphidascarid parasitic nematode Hysterothylacium aduncum (Rudolphi, 1802) in the sparid fish Sparus aurata and Diplodus vulgaris was investigated in this study. A total of 471 individuals (208 Sparus aurata and 263 Diplodus vulgaris) collected for this purpose from the Gulf of Mersin between May 2003 and April 2004 were examined. Seasonal variation in the intensity (MI: mean ± SD) and prevalence (P: %) of the parasite were also determined and the highest P and MI values were found in June 2003 (3.5 ± 0.71 and 8.70%) for S. aurata and March 2004 (4.0 ± 0 and …


Occurrence Of Haematopinus Suis Linnaeus, 1758 (Insecta, Anopluridae) On A Wild Boar (Sus Scrofa), Oya Gi̇ri̇şgi̇n, A. Onur Gi̇ri̇şgi̇n, Fi̇gen Sönmez, Ç. Volkan Akyol Jan 2009

Occurrence Of Haematopinus Suis Linnaeus, 1758 (Insecta, Anopluridae) On A Wild Boar (Sus Scrofa), Oya Gi̇ri̇şgi̇n, A. Onur Gi̇ri̇şgi̇n, Fi̇gen Sönmez, Ç. Volkan Akyol

Turkish Journal of Veterinary & Animal Sciences

A wild boar (Sus scrofa) about 2 years old was brought to our parasitology laboratory from Orhaneli region, Bursa province. It was examined for ectoparasites and 32 lice collected from the animal's head were inspected and identified as Haematopinus suis. Five of them were found to be as nymphs, whereas 27 were adults. This paper is the first report of H. suis found in Bursa province, Turkey.


Phenotypic Characterisation Of Enterococcus Spp. From Femoral Head Necrosis Lesions Of Chickens, Nevi̇n Oktay, Seran Temelli̇, K. Tayfun Çarli Jan 2009

Phenotypic Characterisation Of Enterococcus Spp. From Femoral Head Necrosis Lesions Of Chickens, Nevi̇n Oktay, Seran Temelli̇, K. Tayfun Çarli

Turkish Journal of Veterinary & Animal Sciences

Two types of Enterococcus species were isolated from femoral head necrosis lesions of chickens. A total of 150 femoral articular tissues, of which 121 were from commercial broilers, 18 from broiler breeders, and 11 from layer breeders, were sampled. Out of 48 Enterococcus isolates of these clinical samples, 37 and 11 isolates were identified as Enterococcus faecalis and Enterococcus faecium, respectively. Additionally, 42 (28%) Escherichia coli and 33 (22%) Staphylococcus aureus isolates were obtained either alone or together with 1 of the 2 Enterococcus species from the same clinical samples, while no bacteria were detected from the remaining 56 samples. …


Thermoregulation Differs In Chinampo (Bos Taurus) And Locally Born Dairy Cattle, Jose L. Espinoza, Jesus Sanchez, Jose A. Gracia, Jesus R. Sanchez, Ricardo Ortega, Alejandro Palacios Jan 2009

Thermoregulation Differs In Chinampo (Bos Taurus) And Locally Born Dairy Cattle, Jose L. Espinoza, Jesus Sanchez, Jose A. Gracia, Jesus R. Sanchez, Ricardo Ortega, Alejandro Palacios

Turkish Journal of Veterinary & Animal Sciences

In order to evaluate heat tolerance, physiological constants of 32 cows were measured (Chinampo: n = 12; Holstein: n = 10; Jersey: n = 10). From June to December 2006, rectal temperature and respiratory rate were recorded every Monday at 0600 and 1700 h. Holstein rectal temperature was affected by heat most, followed by Jersey, and Chinampo (the most heat-resistant). Respiratory rate of the 3 breeds was affected by climatic factors, but the Holstein and Jersey cows registered values higher than those of Chinampo cows. With a temperature-humidity index (THI) above 72 the physiological variables of all 3 breeds increased. …