505–528 de 1049 resultados
🎤 Oral Nutrition and Metabolic Diseases 2022 NU-21
The Behaviour Of Dairy Cattle In The Transition Period: Effects Of Blood Calcium Status
Rosie Barraclough et al.
Royal (Dick) School of Veterinary Studies and the Roslin Institute, Edinburgh, United Kingdom
Objectives: Low blood calcium concentrations at calving can have a detrimental effect on cow health, welfare, and pro- ductivity. Currently, there is no reliable method to predict if a cow will develop clinical
🎤 Oral Nutrition and Metabolic Diseases 2022 NU-22
Preliminary Results Of A Metabolic Survey For Plasma Ionized Calcium And Magnesium In Dairy Herds From The South Of Chile
Pedro Melendez et al.
Pablo Pinedo4. University of Georgia, Tifton, United States
🎤 Oral Nutrition and Metabolic Diseases 2022 NU-23
Very Low Negative Dcad Diet Promotes Severe Metabolic Acidosis And Alters Plasma And Urine Metabolomics In Prepartum Holstein Cows
Pedro Melendez et al.
Garbarino3. School of Veterinary Medicine, Texas Tech University, Amarillo, TX, United States
🎤 Oral Nutrition and Metabolic Diseases 2022 NU-24
Effect Of Oral Or Parenteral Iron Supplementation In Early Life On Iron Concentration And Hematological Parameters Of Dairy Calves Fed Commercial Milk Replacer
Lennart Golbeck et al.
Grünberg4. llo, 1 Clinic for cattle, University of veterinary medicine hannover, Foundation, Hannover, Germany
Objectives: Iron supplementation is common in newborn calves. The objective of this study was to compare the effect of oral and parenteral iron supplemenation to a negative control treatment on iron concentrati
🎤 Oral Nutrition and Metabolic Diseases 2022 NU-25
Variation In Longissimus Dorsi Thickness In Dry And
lactating Holstein dairy cows et al.
lactation mastitis and sole ulceration William Tulley, Matthew Barden, Bethany Griffiths, Alkiviadis Anagnostopoulos, Cherry Bedford, Georgios Oikonomou. University of Liverpool, Liverpool, United Kingdom.
Objectives: Dairy cattle face a drastic increase in nutrient demand at the onset of lactation leading to a period of neg- ative nutrient balance which cattle respond to by catabolism of body tissues. Adipose ti
🎤 Oral Nutrition and Metabolic Diseases 2022 NU-26
Factors Affecting Milk Fatty Acid Composition On Galician Holsteins Cows: A Field Studyfactors Affecting Milk Fatty Acid Composition On Galician Holsteins Cows: A Field Study
Ruth Rodríguez-Bermúez et al.
ABS Progenex, Madrid, Spain. During the last decades, milk fatty acid composition (mFAc) has gained the interest of manufacturers and consumers as it influences nutritional, physical and flavor properties of dairy products (Bobe et al. 2007). Previou
🎤 Oral Nutrition and Metabolic Diseases 2022 NU-27
Economic Opportunities On Prevention Of Subclinical And Clinical Hypocalcemia By Use Of Synthetic Zeolite
Per Theilgaard et al.
Denmark.
Objective: The objective of this study was to develop a sophisticated and robust tool for dairy farmers, to quantify the impact of using synthetic zeolite (X-Zelit) for prevention of sub- clinical and clinical
🎤 Oral Nutrition and Metabolic Diseases 2022 NU-28
Metabolic Profiling Of Dry Cows In Practice: Three-Year Results From A Routine Laboratory
Saskia Van Der Drift et al.
Merwe. Royal GD, Deventer, Netherlands.
Objectives: Metabolic parameters can be assessed in close-up dry cows (last 3 weeks before calving) to indicate their risk for postpartum diseases and evaluate transition cow management. In the Netherlands, dai
🎤 Oral Parasitism 2022 PA-01
Assessment Of Body Weight And Weight Gain Of Eprinomectin Or Doramectin Injectable Strategic Control Against Gastrointestinal Helminths On Grazing Holstein Heifers In Brazil
Luciana Maffini Heller et al.
Welber Daniel Zanetti Lopes1. Centro de Parasitologia Veterinária, Universidade Federal de Goiás, Goiás, Brazil
Objective: The experiment was conducted to assess the expected body weight and weight gain of distinct strategic de- worming control program with injectable eprinomectin or dor- amectin against gastrointestinal
🎤 Oral Parasitism 2022 PA-02
On The Current Resistance Status Of Stable Flies From Dairy Farms In Brandenburg (Germany)
Sophia Reissert-Oppermann et al.
Burkhard Bauer1, Wiebke Weiher2, Peter-Henning Clausen1, Stephan Steuber2. Institute for Parasitology and Tropical Veterinary Medicine, Freie Universität Berlin, Robert-von-Ostertag-Str. 7-13, D-14163 Berlin, Germany
Objectives: Flies play an important role as pests and vec- tors of pathogens in ruminant production systems. During an earlier study, varying degrees of resistance against insecti- cides were demonstrated in 58
🎤 Oral Parasitism 2022 PA-03
Anti-O.ostertagi Antibody Odr In Bulk Tank Milk Assesses Exposure Not Parasitism
Tom Loughnan et al.
Melbourne, Australia.
Objective: International research has suggested that anti O. ostertagi antibody optical density ratio (ODR) of vat milk can indicate the level of milk production benefit producers will get from applying effecti
🎤 Oral Parasitism 2022 PA-04
Prevalence And Risk Factors For Hair Loss In Outdoor-Wintered Beef Cattle During Cold Weather Conditions
Ylva Persson et al.
National Veterinary Institute, Uppsala, Sweden
🎤 Oral Parasitism 2022 PA-05
Effect Of Injectable Eprinomectin On Milk Production And Quality Of Dairy Ewes Reared Semi-Intensively And Naturally Infected With Gastrointestinal Nematodes
Sofia Afroditi Termatzidou et al.
Smaragda Sotiraki2, Katerina Saratsi2, Damien Achard3, Hamadi Karembe3, Georgios Bramis4, Georgios Arsenos1. Laboratory of Animal Husbandry, Faculty of Veterinary Medicine, School of Health Sciences, Aristotle University, Thessaloniki, Greece
Objective: The objective of this study was to investigate the effect of treatment with injectable eprinomectin on milk production and quality of dairy ewes grazing in communal pas- tures and naturally infected
🎤 Oral Parasitism 2022 PA-06
Severe Eosinophilic Dermatitis In Jersey Cows Infested With Leptotrombidium Spp (Acari: Trombiculidae)
Marie-Christine Cadiergues et al.
ENVT - IHAP, Université de Toulouse, INRA, ENVT, Toulouse, France.
Objectives: In cattle, the lesions of eosinophilic derma- titis are attributed to different causes, but mainly to scabies and insect bites (stable flies, horn flies, tabanids, …). Harvest mites, also known as c
🎤 Oral Parasitism 2022 PA-07
Efficacy Of A Targeted Selective Treatment In Dairy Herds Affected By Clinical Dictyocaulosis
Thibaut Lurier et al.
France
Bovine dictyocaulosis is a pulmonary disease caused by the presence and development of the strongyle Dictyocaulus viviparus in the trachea and bronchi of cattle. This parasite is mostly observed in temperate co
🎤 Oral Parasitism 2022 PA-08
Ctenocephalides Felis (Cat Flea) Infestation In Neonatal Dairy Calves Managed With Deltamethrin Pour-On In Australia.
Fei Man Bernice Tsoi et al.
Sydney School of Veterinary Science, Sydney, Australia.
Objectives: Fleas are worldwide distributed hematoph- agous ectoparasites (Lawrence et al., 2019). The cat flea (ctenocephalides felis) is considered the most pervasive flea with veterinary significance principall
🎤 Oral Parasitism 2022 PA-09
Gastrointestinal Parasites In Australian Pastoral Lactating Dairy Cows
Tom Loughnan et al.
Melbourne, Australia
Objectives: In Australian pastoral dairy systems, a variety of ‘routine’ anthelmintic programs are used in lactating cows. These programs vary from no use of anthelmintics to adminis- tration of two doses to ca
🎤 Oral Parasitism 2022 PA-10
Evaluation Of The Plasma Profile And Efficacy Of Eprinomectin 50 Mg/Ml Prolonged-Release Injection Administered At The Base Of The Ear Of Cattle In Europe
Dietmar Hamel et al.
Boehringer Ingelheim Vetmedica GmbH, Rohrdorf, Germany
Objectives: To characterize the plasma profile and the therapeutic and preventive anthelmintic efficacy of eprinomec- tin 50 mg/mL prolonged-release injection (Eprinomectin-PRI) when administered at 1 mL/50 kg
🎤 Oral Parasitism 2022 PA-11
Productivity Impacts Of Low To Moderate Faecal Egg Counts In Growing Cattle: Implications From Meta-Regression Of Faecal Egg Count And Average Daily Weight Gain
Andrew Hancock et al.
Oswin4. Zoetis, Dublin, Republic of Ireland
Objectives: Quantify the productivity impacts of low to moderate faecal egg counts (FEC) in growing cattle using the results of a meta-analysis and meta-regression of the associa- tion between FEC and average d
🎤 Oral Parasitism 2022 PA-13
Attempts To Achieve Apparent (In The Field) Nematocidal Efficacy While Using Popular Anthelmintics With Varying Degrees Of Anthelmintic Effectiveness
Tom Yazwinski et al.
Animal Science Department, University of Arkansas, Fayetteville Arkansas, United States.
Objectives: The studies reported herein were conducted to further assess the effectiveness of routinely-applied an- thelmintic treatment and then attempt to achieve efficacious treatment via means not normally
🎤 Oral Parasitism 2022 PA-14
Evaluation Of Four Protocols For Haematobia Irritans Control And Their Impact On The Productivity Of Grazing Calves On Tropical Farms In Veracruz
Fernando Livas Calderón et al.
Facultad de Medicina Veterinaria y Zootecnia. Universidad Nacional Autonoma de Mexico, Tlapacoyan, Veracruz, Mexico
Objectives: The objective of the study was to compare dif- ferent chemical control protocols on horn fly infestation (Hae- matobia irritans) and their impact on grazing calves weight gain (Bos taurus x Bos indi
🎤 Oral Parasitism 2022 PA-15
Seroprevalence And Risk Factors Associated With Toxoplasma Gondii In Breeding Ewes From Western Mexico
Jaime Alcalá Gómez et al.
Instituto Tecnológico el Llano Aguascalientes, El Llano, Aguascalie Mexico
🎤 Oral Parasitism 2022 PA-16
Eimeriosis Age Dynamics In Italian Dairy Cattle Farms
Marcello Guadagnini et al.
Nicoletta D'Avino2. Elanco Animal Health, Sesto Fiorentino (FI), Italy
Objectives: Coccidiosis, or Eimeriosis, is a common clini- cal or subclinical cause of poor performance, illness, and eco- nomic loss in dairy calves (Drackley J., 2008). The prevalence ntes, of Eimeria infecti
🎤 Oral Parasitism 2022 PA-17
Effect Of Haemonchus Contortus On Feed Conversion Rate, Average Daily Gain And Carcass Characteristics Of Limousine- Cross Calves
Konstantinos Arsenopoulos et al.
Laboratory of Parasitology and Parasitic Diseases, School of Veter Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greec Veterinary Faculty, University of Thessaly, Karditsa, Greece.
Objectives: The objective of the study was to evaluate the potential effects of Haemonchus contortus infection on: (a) av- erage daily gain and feed conversion ratio of Limousin-cross male calves and (b) carcas