Results 11 to 20 of about 2,255,396 (253)

Live animal measurements, carcass composition and plasma hormone and metabolite concentrations in male progeny of sires differing in genetic merit for beef production [PDF]

open access: yes, 2009
peer-reviewedIn genetic improvement programmes for beef cattle, the effect of selecting for a given trait or index on other economically important traits, or their predictors, must be quantified to ensure no deleterious consequential effects go unnoticed.
Evans, R. D.   +5 more
core   +1 more source

Quantitative analysis of penicillins in porcine tissues, milk and animal feed using derivatisation with piperidine and stable isotope dilution liquid chromatography tandem mass spectrometry [PDF]

open access: yes, 2010
Penicillins are used universally in both human and veterinary medicine. The European Union (EU) has established maximum residue levels (MRLs) for most ß-lactam antibiotics in milk and animal tissues and included them in the National Residue Monitoring ...
Eric O. van Bennekom   +14 more
core   +1 more source

Complete feed versus concentrate and straw fed separately: Effect of feeding method on eating and sorting behavior, rumen acidosis, and digestibility in crossbred Angus bulls fed high-concentrate diets [PDF]

open access: yes, 2021
The aim of this study was to evaluate the effect of feeding method on eating and sorting behavior, rumen acidosis, and apparent total tract digestibility of crossbred Angus bulls fed a high-concentrate diet.
Verdú, Marçal   +3 more
core   +1 more source

Impact of bioactive substances on the gastrointestinal tract and performance of weaned piglets: a review [PDF]

open access: yes, 2009
The EU ban on in-feed antibiotics has stimulated research on weaning diets as a way of reducing post-weaning gut disorders and growth check in pigs. Many bioactive components have been investigated but only few have shown to be effective.
D. Torrallardona   +15 more
core   +1 more source

Mathematical modelling in animal nutrition: a centenary review [PDF]

open access: yes, 2008
A centenary review presents an opportunity to ponder over the processes of concept development and give thought to future directions. The current review aims to ascertain the ontogeny of current concepts, underline the connection between ideas and people
Dijkstra, J.   +5 more
core   +1 more source

Citrus aurantium flavonoid extract improves concentrate efficiency, animal behavior, and reduces rumen inflammation of Holstein bulls fed high-concentrate diets [PDF]

open access: yes, 2019
One hundred fourty-four bulls (164.8 ± 5.91 kg BW and 135 ± 7.2 d of age) were randomly allocated to one of 8 pens and assigned to control (C) or citrus flavonoid (BF) treatments (Citrus aurantium, 0.4 kg per ton of concentrate of Bioflavex CA, > 20 ...
Crespo, Javier   +3 more
core   +1 more source

Mycotoxin contamination of animal feed

open access: yes, 2012
This chapter first describes mycotoxin contamination of raw feed materials, mixed feeds and concentrates. Thereafter potential animal health risks are discussed addressing all major farm animal species, fish and pet animals.
Sveriges lantbruksuniversitet.   +1 more
core   +1 more source

Temperate nuts by-products as animal feed: A review

open access: yes, 2023
18 páginas, 7 tablas.Using agro-industrial by-products in replacement of conventional feedstuff is a strategy to reduce the environmental impact of feed production and transport, and the feed-food competition.
Ruggero Menci   +11 more
core   +1 more source

The human gut microbiome across the life course

open access: yesFEBS Letters, EarlyView.
Despite significant individual variation and continuous change throughout life, the human gut microbiome follows some life stage‐specific trends. This article provides a brief overview of how gut microbiome composition shifts across different phases of life. Created in BioRender. Özkurt, E. (2026) https://BioRender.com/8q4nrnc.
Alise J. Ponsero   +4 more
wiley   +1 more source

The 2008 Dutch NRL/IAG proficiency test for detection of animal proteins in feed [PDF]

open access: yes, 2008
The results of a proficiency test for the detection of animal proteins in animal feed by microscopy, PCR (DNA detection) and immunoassay methods are presented in this ...
Pinckaers, V.G.Z.   +5 more
core  

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