Oregano extract fed to pre-weaned dairy calves. Part 1: Effects on intake, digestibility, body weight, and rumen and intestinal bacteria microbiota

LA Ritt, C Orso, AK Silveira, J Frazzon, DP de Vargas… - Livestock Science, 2023 - Elsevier
Essential oils have become attractive candidates for use in the livestock industry, yet their
mode of action over microbial populations of animals remains largely unknown. To gain …

[HTML][HTML] Association of a green tea extract with serum immunoglobulin G status and neonatal vitality in newborn dairy calves

ME Reis, M Cantor, CMM Bittar, JHC Costa - Journal of dairy science, 2022 - Elsevier
Poor vigor at birth has been associated with reduced IgG absorption from colostrum and a
reduced vitality in neonatal dairy calves. Some natural compounds, such as green tea …

[HTML][HTML] Potential benefits of early-life supplementation of liquid feed with fennel (Foeniculum vulgare) seeds or oregano (Origanum vulgare) leaves on growth, health …

M Ansari, S Kargar, MA Eslami, R Falahati… - Journal of Dairy …, 2022 - Elsevier
This study was performed to determine the early-life (first month of age) supplementation of
liquid feed with fennel seed powder (FSP) or oregano leaf powder (OLP) on growth …

Oregano extract fed to pre-weaned dairy calves. Part 2: Effect on ruminal and intestinal morphology of pre-weaned calves

LA Ritt, EC Modesto, JA Guimarães, G Heisler… - Livestock Science, 2023 - Elsevier
The aim of this study was to evaluate the effects of oregano extract (Origanum vulgare)
supplementation on the histological and morphological variables of the gastrointestinal tract …

Potential benefits of a blend of essential oils on metabolism, digestibility, organ development and gene expression of dairy calves

JP Campolina, SG Coelho, AL Belli, LFM Neves… - Scientific Reports, 2023 - nature.com
The objective of this study was to evaluate blood cells and metabolites, insulin-like growth
factor-1 (IGF-1), digestibility, internal organs weight and histology, gene expression, and …

Trace minerals source in calf starters interacts with birth weights to affect growth performance

MA Mousavi-Haghshenas, F Hashemzadeh… - Scientific Reports, 2022 - nature.com
The present study was conducted to investigate the effects of partial replacement of
inorganic minerals (IM) with trace minerals in advance chelate components form in starter …

Behavior of Holstein and Holstein-Gyr lactating cows supplemented with oregano and green tea extracts: Plant extracts for lactating cows

GJ Kolling, SCB Stivanin, AM Gabbi… - Journal of Veterinary …, 2022 - Elsevier
Plant extracts have been fed as additives to domestic animals, but their effects on behavior
are variable, although synergism between products is rarely explored. This study aimed to …

[PDF][PDF] Plant extracts supplied to pre-weaned dairy calves influence their redox status

M de Paris, SCB Stivanin, G Heisler, IDV Angelo… - Semina: Ciências …, 2024 - ojs.uel.br
Este estudo teve como objetivo avaliar os efeitos do fornecimento separado de extratos de
chá verde e orégano sobre os biomarcadores do estado redox e condição de saúde em …

Dietary Supplements to Support Dairy Calf Health and Welfare

B McNeil - 2023 - atrium.lib.uoguelph.ca
The objective of this dissertation was to investigate if dietary supplements could improve
dairy calf health and welfare. The first study was focused on investigating the effects of …

Effect Of Nano Zinc Oxide on Some Behaviour Patterns and Performance in Calves.

M Ibrahim - Aswan University Journal of Environmental …, 2023 - aujes.journals.ekb.eg
This study was conducted to evaluate the effect of Nano zinc oxide particles (nZnO)
supplementation on growth performance, ingestive and standing idle behaviours, serum …