scholarly journals Development of Immunity to Ostertagia ostertagi (Trichostrongylidae: Nematoda) in Pastured Young Cattle

1992 ◽  
Vol 33 (4) ◽  
pp. 305-316
Author(s):  
J. Grønvold ◽  
P. Nansen ◽  
L. C. Gasbarre ◽  
C. M. Christensen ◽  
M. Larsen ◽  
...  
Keyword(s):  
Ostertagia Ostertagi ◽  
Young Cattle

Statistical analysis of distribution, dynamics and etiological structure of bovine diseases in Vologda region

2020 ◽  
pp. 3-4
Author(s):  
Oksana B. Badeeva ◽  
Keyword(s):  
Respiratory Diseases ◽  
Birth Rate ◽  
Statistical Data ◽  
Delayed Diagnosis ◽  
Specific Weight ◽  
Gastrointestinal Diseases ◽  
Vologda Region ◽  
High Incidence ◽  
Young Cattle ◽  
High Level

Statistical data of livestock for 30 years is reflected in the article. Author used the materials of the state veterinary reporting. A comparative analysis of the number, incidence and death rate of adult animals and young cattle for two five-year periods (2001-2005 and 2014-2018). the data of the analysis of veterinary statistical reports for 2018 on the specific weight of the large horned cattle and age dynamics of calves in farms of the Vologda region are shown. A significant decrease in livestock of the large horned cattle by 56.3% (from 1990 to 2018) is shown in the analysis of the data. Over the five years 2014-2018, there was a decrease in the number of the large horned cattle by 31.3%, the birth rate of calves - by 26.2%, and the incidence of calves - by 12.3% and the mortality rate decreased by 3.3%. Despite the decline in the number of livestock, in 2018 there is a high incidence of animal diseases (49.6%). The highest incidence rate was observed among calves under 10 days of age 43.3%, 31.7% - from 11 to 30 days, 15.8% - from one to three months, 6.5% - from three to six months and 2.7% - from 6 to 12 months. Of the total number of sick calves in 2018, 63.2% had gastrointestinal diseases, and death for this reason is 49.6% of the total number of victims. Respiratory diseases affect 21.8% of young animals, and death due to respiratory diseases is 18.2%. Analysis of statistical data showed that, despite the complex of veterinary and sanitary measures, the incidence and death of calves remain at a high level. This can be explained by delayed diagnosis and low therapeutic effectiveness in gastrointestinal and respiratory diseases of cattle.

Specific prevention of rota-, coronavirus infections and colienteritis of young cattle

2019 ◽  
Vol 22 (3) ◽  
pp. 22-24
Author(s):  
I.N. Simanova ◽  
◽  
V.N. Makarova ◽  
O.B. Badeeva ◽  
M.V. Korukina ◽  
...  
Keyword(s):  
Young Cattle ◽  
Coronavirus Infections

Immunodetection of Ostertagia ostertagi in Cattle Milk Samples in Wasit Province

2017 ◽  
Vol 1 (28) ◽  
pp. 637-648
Author(s):  
Abbas Hassan Khlaty Al-Sray
Keyword(s):  
Milk Production ◽  
Herd Size ◽  
Elisa Test ◽  
Production Factor ◽  
Size Factor ◽  
Ostertagia Ostertagi ◽  
Milk Samples ◽  
Management Group ◽  
Breed Group ◽  
Age Factor

The aim of present study was to detect the seroprevalence of Ostertagia ostertagi specific antibodies in cattle milk samples in Wasit province, by using the indirect ELISA test for first time in Iraq. For this purpose, an overall 368 dairies cow was submitted for study and the results were revealed that 51 (13.86 %) of tested cows were positive, and the mean optic density ratios (ODRs) of ELISA test values in seropositive cattle were 0.58. Also, this study aimed to investigate an association of seropositive results with some epidemiological risk factors. Hence, the positive results, according to these factors, were as follow: in milk production factor, 6.32 % for ³18 liters/day group, 14.29 % for ³10-18 liters/day group, and 25 % for < 10 liters/day group; in age factor, 13.41% for ³3-6 years group, and 14.75% for >6 years group; in breed factor, 18.27% for local breed group, 12.17% for cross-breed group, and 12% for pure breed group; in farm management factor, 21.35% for bad management group, and 5.68% for good management group; and in herd size factor, 11.59% for <25 (cow/herd) group, and 17.78% for ³ 25 (cow/herd) group. Statistically, the significant differences (P£ 0.05) were observed among related groups of milk production, breed, husbandry management, and herd size factors; while it’s not reported among groups of age factor.

Influence of fodder protein supplement on the growth and development of young cattle

2019 ◽  
Vol 1 (79) ◽  
pp. 176-182
Author(s):  
Vyacheslav Karatunov ◽  
◽  
Ivan Tuzov ◽  
Alexander Chernyshkov ◽  
Inna Zasemchuk ◽  
...  
Keyword(s):  
Growth And Development ◽  
Protein Supplement ◽  
Young Cattle

Causes of death in beef cattle in southern Brazil

2021 ◽  
pp. 104063872110079
Author(s):  
Franciéli A. Molossi ◽  
Bianca S. de Cecco ◽  
Camila B. Pohl ◽  
Rogério B. Borges ◽  
Luciana Sonne ◽  
...  
Keyword(s):  
Beef Cattle ◽  
Causes Of Death ◽  
Diagnostic Category ◽  
Diagnostic Value ◽  
Parasitic Diseases ◽  
Porto Alegre ◽  
Pathology Laboratory ◽  
Regional Location ◽  
Young Cattle ◽  
Postmortem Examinations

We determined the prevalence of diseases and pathogens associated with mortality in beef cattle in the State of Rio Grande do Sul, Brazil, based on pathology laboratory submissions. Postmortem examinations were conducted on 1,277 beef cattle that died between 2008 and 2018. Information regarding age, time of the year, breed, and regional location were analyzed statistically. Most cattle were from the surrounding region of Porto Alegre, and 78.7% of the analyzed cases had diagnostic value. The diagnostic category with most cases was infectious and/or parasitic diseases (60%), followed by toxic and toxicoinfectious (25%). Most cases occurred in the fall. Major disease conditions identified included hemoprotozoal infection (18.2%), rabies (8.2%), and plant intoxications by Senecio spp. (8.5%) and Pteridium arachnoideum (4.6%). Hemoprotozoal infection occurred at a higher frequency in young cattle, mainly in animals up to 1 y old. Intoxication by Senecio spp. was more frequent in cattle 2–3 y old.

Study on the inductive factors of hypobiosis of Ostertagia ostertagi in cattle

1999 ◽  
Vol 81 (4) ◽  
pp. 295-307 ◽  
Author(s):  
A.S Fernández ◽  
C.A Fiel ◽  
P.E Steffan
Keyword(s):  
Ostertagia Ostertagi

Cloning and characterization of the ribosomal RNA gene repeat from Ostertagia ostertagi

1991 ◽  
Vol 45 (2) ◽  
pp. 275-280 ◽  
Author(s):  
John B. Dame ◽  
Charles A. Yowell ◽  
Charles H. Courtney ◽  
W.Gary Lindgren
Keyword(s):  
Ribosomal Rna ◽  
Ostertagia Ostertagi ◽  
Ribosomal Rna Gene

Studies on an Ostertagia ostertagi strain suspected to be resistant to benzimidazoles

1992 ◽  
Vol 41 (1-2) ◽  
pp. 85-92 ◽  
Author(s):  
F.H.M. Borgsteede ◽  
S. Geerts ◽  
R. de Deken ◽  
V. Kumar ◽  
J. Brandt
Keyword(s):  
Ostertagia Ostertagi

Herring silage as a protein supplement for young cattle

1991 ◽  
Vol 71 (4) ◽  
pp. 1187-1196 ◽  
Author(s):  
J. W. G. Nicholson ◽  
D. A. Johnson
Keyword(s):  
Amino Acids ◽  
Free Amino ◽  
Crude Protein ◽  
Fish Meal ◽  
Unsaturated Fatty Acids ◽  
Rumen Fluid ◽  
Potassium Sorbate ◽  
Protein Supplement ◽  
Young Cattle ◽  
True Protein

Fish silage made by grinding herring and adding formic acid, β-hydroxytoluene and potassium sorbate was evaluated as a protein supplement for young cattle. Only about 15% of the crude protein in the herring silage was true protein. Ammonia N accounted for 8% of the crude protein and most of the rest was peptides and free amino acids. The crude protein of herring silage was as resistant as fish meal to deamination when fermented in rumen fluid, and more resistant than soybean or casein. The herring silage was readily accepted by Holstein heifers fed hay or grass–legume silage with potatoes (7 kg d−1) and a supplement (1.5 kg d−1). Feed intake and weight gain were similar when the heifers were fed hay with either soybean meal or herring silage but were higher when forage silage replaced the hay. Rumen fluid NH3-N and blood urea levels were normal, even for cattle fed the high non-protein N diet of forage silage with herring silage. The herring silage depressed rumen fluid acetate levels and increased propionate in the heifers fed hay + potatoes, probably because of the unsaturated fatty acids in the herring. Well-made herring silage was a suitable protein supplement for young cattle fed forage and potato diets. Key words: Herring silage, fish silage, potatoes, cattle, protein degradation

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