Results 21 to 30 of about 21,340 (182)

Evaluation of Some Intestinal Biomarkers in the Determination of Intestinal Damage in Calves with Coccidiosis

open access: yesTropical Animal Science Journal, 2023
This study aimed to assess the usefulness of injury biomarkers specific to the intestines in identifying the presence and degree of intestinal epithelial damage in coccidiosis-infected calves. Forty calves of various breeds and sexes, aged 21 days to 60
M. K. Durgut, M. Ok
doaj   +1 more source

Effect of colostrum on the acute-phase response in neonatal dairy calves

open access: yesJournal of Dairy Science, 2022
: The core part of the mammal innate immune system is the acute-phase response (APR), during which acute-phase proteins (APP) are synthesized. Colostrum contains immunomodulating factors such as proinflammatory cytokines and APP in large quantities.
Kristel Peetsalu   +5 more
doaj   +1 more source

Bovine coronavirus in neonatal calf diarrhoea in Iran. [PDF]

open access: yesVet Med Sci, 2020
AbstractPartial gene sequencing for the bovine coronavirus at the World Genebank is available for many countries, which are distributed unevenly in five continents, but so far, no sequencing of strains has been recorded in Iran. One hundred ninety‐four stool samples from calves with diarrhoea less than one‐month old were collected from five different ...
Lotfollahzadeh S   +4 more
europepmc   +7 more sources

Rangifer population ecology: a Scandinavian perspective

open access: yesRangifer, 1997
Population ecology is concerned with measuring changes in population size and composition, and identifying the causes of these fluctuations. Important driving variables include animal body size and growth rate, and their relationship to reproduction and ...
Eigil Reimers
doaj   +1 more source

Metagenomic analysis provides bases on individualized shift of colon microbiome affected by delaying colostrum feeding in neonatal calves

open access: yesFrontiers in Microbiology, 2022
This study investigated the effect of colostrum feeding time on the colon digesta microbiome of 2-day-old dairy calves using whole-genome-based metagenome sequencing, aiming to understand the dynamic changes of the colon microbiome when the colostrum ...
Yang Song   +9 more
doaj   +1 more source

Calf Diarrhea Caused by Prolonged Expansion of Autochthonous Gut Enterobacteriaceae and Their Lytic Bacteriophages

open access: yesmSystems, 2021
Neonatal calf diarrhea is a common disease leading to a major economic loss for cattle producers worldwide. Several infectious and noninfectious factors are implicated in calf diarrhea, but disease control remains problematic because of the ...
Tae Woong Whon   +12 more
doaj   +3 more sources

Milk Delivery in Tropically-Adapted Neonatal Beef Calves

open access: yesProceedings, 2020
Across beef breeding herds of northern Australia, poor pre-partum nutrition of cows is consistently associated with increased calf wastage between confirmed pregnancy and weaning.
Jarud Muller   +2 more
doaj   +1 more source

Pericardial Mesothelioma in a Neonatal Calf

open access: yesJournal of Veterinary Medical Science, 2006
We encountered an extremely rare tumor, a pericardial mesothelioma, in a neonatal calf. The patient calf showed severe abdominal distention, and died immediately after birth. The thoracic cavity was contained a huge heart with a large amount of pericardial fluid.
TAKASU, Masaki   +9 more
openaire   +3 more sources

Why Do So Many Calves Die on Modern Dairy Farms and What Can We Do about Calf Welfare in the Future?

open access: yesAnimals, 2013
Poor bovine neonatal survival rates are an international animal welfare issue. The key modifiable risk factors associated with such loss are age at first calving in primiparae, calf breed, gender and gestation length and calving management.
John F. Mee
doaj   +1 more source

STUDIES ON NEONATAL CALF DIARRHEA IN KUWAIT [PDF]

open access: yesJournal of the Egyptian Society of Parasitology, 2023
causes significant economic losses due to morbidity, mortality, and therapy cost and decreasedrates of development in affected calves. Multiple enteric pathogens are known to cause this diseaseincluding viruses, bacteria and parasites.
QAIS MAJEED, MAHA ALAZEMI
doaj   +1 more source

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