Results 81 to 90 of about 1,955 (162)

Zootechnical Additives Associated with Antimicrobials: Effects on Immune Response and Intestinal Histomorphometry in Broiler Chickens

Veterinary Sciences
This study evaluated the effects of zootechnical additives in combination with antibiotic growth promoters (AGPs) on broiler performance, leukocyte differential activity, phagocytic activity, intestinal histomorphometry, and the inside index. A total of 1400 one-day-old Cobb 500 male chicks were assigned to a completely randomized design with seven ...
Kenes Leonel de Morais Castro, Nilton Rohloff Júnior, Elaine Talita Santos, Jean Kaique Valentim, Rodrigo Garófallo Garcia, Giancarlo Rieger, Sarah Sgavioli   +6 more
openaire   +3 more sources

Long‐term effects of moderate and severe hypoxia on growth, intermediary metabolism, monoamine neurotransmitters, and fatty acids in juveniles of coho salmon, Oncorhynchus kisutch

Journal of the World Aquaculture Society, Volume 57, Issue 2, April 2026.
Abstract Hypoxia concerns have increased in recent decades, reducing fish fitness and becoming a critical challenge in salmon aquaculture. We investigated the effect of long‐term hypoxia on the physiological response of coho salmon (Oncorhynchus kisutch).
R. Oyarzún‐Salazar, P. Cortes, O. de Lázaro, K. Paschke, J. L. P. Muñoz, J. Ruiz, P. Dantagnan, L. Vargas‐Chacoff   +7 more
wiley   +1 more source

Safety and efficacy of Levucell® SB (Saccharomyces cerevisiae CNCM I‐1079) as a feed additive for all pigs [PDF]

, 2019
Following a request from the European Commission, the EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) was asked to deliver a scientific opinion on the safety and efficacy of Levucell® SB when used in feed for suckling ...
López Puente, Secundino, Kos Durjava, Mojca, López‐Alonso, Marta, Mayo, Baltasar, Azimonti, Giovanna, Pechová, Alena, Villa, Roberto, Christensen, Henrik, Woutersen, Ruud, Bampidis, Vasileios, Petkova, Mariana, Brozzi, Rosella, Kouba, Maryline, Marcon, Francesca, Bastos, Maria, Dusemund, Birgit, Ramos, Fernando, Sanz, Yolanda   +17 more
core   +1 more source

Scientific Opinion on the modification of the terms of authorisation of Protural (sodium benzoate) as a feed additive for weaned piglets

, 2011
The product Protural is a feed additive (zootechnical; other zootechnical additives) authorised for use in weaned piglets at a dose of 4000 mg active substance per kg complete feed. The applicant proposes a modification of the terms of the authorisation,
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP)
core   +1 more source

Safety and efficacy of Hemicell®‐L (endo‐1,4‐β‐mannanase) as a feed additive for chickens for fattening or reared for laying, turkeys for fattening or reared for breeding and minor poultry species

EFSA Journal, 2019
The additive Hemicell®‐L is a liquid preparation of endo‐1,4‐β‐mannanase that is authorised as a zootechnical feed additive for chickens for fattening.
EFSA Panel on Additives and Products or Substances used in Animal Feed (EFSA FEEDAP Panel), Vasileios Bampidis, Giovanna Azimonti, Maria de Lourdes Bastos, Henrik Christensen, Birgit Dusemund, Maryline Kouba, Mojca Kos Durjava, Marta López‐Alonso, Secundino López Puente, Francesca Marcon, Baltasar Mayo, Alena Pechová, Mariana Petkova, Fernando Ramos, Yolanda Sanz, Roberto Edoardo Villa, Ruud Woutersen, Paul Brantom, Pier Sandro Cocconcelli, Noël Albert Dierick, Boet Glandorf, Lieve Herman, Guido Rychen, Maria Saarela, Jaime Aguilera, Montserrat Anguita   +26 more
doaj   +1 more source

Efficacy of the feed additive consisting of Saccharomyces cerevisiae CNCM I‐4407 (Actisaf® Sc47) for cattle for fattening (Lesaffre International)

EFSA Journal
Following a request from the European Commission, EFSA was asked to deliver a scientific opinion on the efficacy of Saccharomyces cerevisiae CNCM I‐4407 (Actisaf® Sc47) as a zootechnical feed additive (functional group: gut flora stabiliser) in cattle ...
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP), Vasileios Bampidis, Giovanna Azimonti, Maria de Lourdes Bastos, Henrik Christensen, Mojca Durjava, Birgit Dusemund, Maryline Kouba, Marta López‐Alonso, Secundino López Puente, Francesca Marcon, Baltasar Mayo, Alena Pechová, Mariana Petkova, Fernando Ramos, Roberto Edoardo Villa, Ruud Woutersen, Montserrat Anguita, Stefani Fruk, Matteo Innocenti, Jordi Ortuño   +20 more
doaj   +1 more source

Safety and efficacy of DSP® (Na2EDTA, tannin‐rich extract of Castanea sativa, thyme oil and origanum oil) for pigs for fattening

EFSA Journal, 2020
Following a request from the European Commission, the Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) was asked to deliver a scientific opinion on the safety for the environment and efficacy of DSP® (a mixture of disodium salt ...
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP), Vasileios Bampidis, Giovanna Azimonti, Maria de Lourdes Bastos, Henrik Christensen, Birgit Dusemund, Mojca Kos Durjava, Maryline Kouba, Marta López‐Alonso, Secundino López Puente, Francesca Marcon, Baltasar Mayo, Alena Pechová, Mariana Petkova, Fernando Ramos, Yolanda Sanz, Roberto Edoardo Villa, Ruud Woutersen, Andrew Chesson, Alberto Mantovani, Jürgen Gropp, Gloria López‐Gálvez   +21 more
doaj   +1 more source

Assessment of the feed additive consisting of Bacillus velezensis ATCC PTA‐6737 (PB6) for turkeys for fattening and turkeys reared for breeding for the renewal of its authorisation and the modification of the conditions of the authorisation for other growing poultry species (Kemin Europe N.V)

EFSA Journal
Following a request from the European Commission, the Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) was asked to deliver a scientific opinion on Bacillus velezensis ATCC PTA‐6737 as a zootechnical additive (functional group ...
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP), Vasileios Bampidis, Giovanna Azimonti, Maria de Lourdes Bastos, Henrik Christensen, Mojca Durjava, Birgit Dusemund, Maryline Kouba, Marta López‐Alonso, Secundino López Puente, Francesca Marcon, Baltasar Mayo, Alena Pechová, Mariana Petkova, Fernando Ramos, Roberto Edoardo Villa, Ruud Woutersen, Jaume Galobarts I Cots, Elisa Pettenati, Daniel Pagés Plaza   +19 more
doaj   +1 more source

Effect of different zootechnical additives on egg quality in two quail production phases

, 2018
To evaluate the quality of eggs of quails fed with different additives in two stages of the productive period, 360 quails were distributed in a completely randomized design in a split plot scheme in time (9 to 23 and 24 to 39 weeks of age) with five treatments and eight repetitions of nine birds each, organized as follows: control, antibiotic ...
Lemos, M. de, Calixto, L. F., Souza, D., Torres, K. A., Reis, T., Coelho, L., Filho, C. A.   +6 more
openaire   +2 more sources

Guidance for the preparation of dossiers for zootechnical additives [PDF]

EFSA Journal, 2012
openaire   +3 more sources