Results 31 to 40 of about 947 (159)

Influence of Ionophore Supplementation on Growth Performance, Dietary Energetics and Carcass Characteristics in Finishing Cattle during Period of Heat Stress [PDF]

open access: yesAsian-Australasian Journal of Animal Sciences, 2013
Forty-eight crossbred heifers (378.1±18 kg) were used in a 56-d feeding trial (four pens per treatment in a randomised complete block design) to evaluate the influence of ionophore supplementation on growth performance, dietary energetics and carcass ...
A. Barreras   +9 more
doaj   +1 more source

Desenvolvimento de novilhas de corte sob alternativas de mineralização em pastagem de azevém Development of beef heifers under mineralization alternatives, on Italian ryegrass pasture

open access: yesCiência Rural, 2009
Foi avaliado o desenvolvimento corporal de bezerras de corte em pastagem de azevém (Lolium multiflorum Lam.), recebendo diferentes alternativas de suplementação mineral, associadas ou não à adição de ionóforo.
Luciana Pötter   +7 more
doaj   +1 more source

Ruminal degradation of dietary protein in steers fed lasalocid [PDF]

open access: yes, 1994
A trial was conducted to investigate the effect of lasalocid (Bovatec®) on ruminal degradation of dietary protein in Holstein steers. Five ruminally and duodenally cannulated steers (305 kg) were fed a corn-alfalfasoybean meal diet (17% CP), with or
Jean G. St.   +6 more
core   +1 more source

Scientific Opinion on the safety and efficacy of Avatec®150G (lasalocid A sodium) for pheasants, partridges, quails and guinea‐fowl

open access: yesEFSA Journal, 2011
Avatec®150G is a coccidiostat containing 15 % of the active substance lasalocid A sodium. Avatec®150G is proposed as a coccidiostat for pheasants, partridges, quails and guinea fowl at a dose range of 75–120 mg lasalocid sodium/kg complete feed. Based on
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP)
doaj   +1 more source

Effect of lasalocid in rations for growing heifers [PDF]

open access: yes, 1989
The 1989 Annual KSU Dairy Day is known as Dairy Day, 1989Sixty-four Holstein heifer calves were used from 10 to 26 wk of age to study the effects of lasalocid on growth and feed consumption.
Morrill, J.L.   +3 more
core   +1 more source

P450 Enzyme LyoI Performs Hydro‐2,2′‐Bifuran Oxidation in the Polyether Ionophore Lysocellin

open access: yesAngewandte Chemie, Volume 137, Issue 43, October 20, 2025.
In a study of the biosynthesis of the polyether ionophore lysocellin, the P450 enzyme LyoI was found to catalyze a rare oxidation of a hydro‐2,2′‐bifuran moiety to its hemiketal form. The oxidation was identified as the key for unlocking the bioactivity of lysocellin.
Michelle H. Rasmussen   +4 more
wiley   +2 more sources

Supplementation with lasalocid three times weekly to stocker cattle on pasture

open access: yes
Two experiments were conducted to study the efficacy of feeding lasalocid to cattle on pasture on a three times weekly basis. In experiment 1, 72 crossbred yearling steers were stratified across a randomized block design of 12 pens including three ...
DelCurto, Timothy
core   +6 more sources

Effect of route of administration of lasalocid on response of young dairy calves [PDF]

open access: yes, 1988
Forty newborn bull calves were assigned to one of four feeding groups. The feeds either contained lasalocid in milk (M), prestarter (PS), and starter (S); lasalocid in PS and S; lasalocid in S only; or no lasalocid.
Anderson, N.V.   +8 more
core   +1 more source

In vitro effect of pH on resistance of ruminal bacteria to intracellular potassium depletion, and effect of pH and ionophores on ammonia and microbial protein production Efeito do pH in vitro sobre a resistência de bactérias do rúmen à perda de potássio intracelular e efeito do pH e de ionóforos sobre a produção de amônia e proteína microbiana

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2005
Ruminal fluid from steers fed on pasture was incubated with artificial media at pH 5.5 and 7.0 in two experiments. In the first, the effect of monensin level on resistance of ruminal bacteria to potassium depletion was evaluated; in the second, effects ...
W.M. Leopoldino   +8 more
doaj   +1 more source

Cylinder Plate Assay for Lasalocid Sodium

open access: yesJournal of AOAC INTERNATIONAL, 1974
Abstract A microbiological assay method is described for the determination of the coccidiostat lasalocid sodium in premixes and finished poultry feeds. Premixes are extracted with absolute methanol and diluted to assay range with 25% methanol in the final dilution.
J M, Scheiner, W M, Cort, J, Chen
openaire   +2 more sources

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