I remember from animal nutrition that such antibiotics were used in Italy in the 1980s as "auxinic" factors, aimed at maximizing the digestibility of the feed by destroying the intestinal microbiome of the animal.
The global trend is banning. Banned in many of countries,the rest: in transition towards it
I think, Its possible with too little concentrations to improved the animal production and this is determined by the organizatiin of FDA and CDC centre
It sounds like you are referring to antibiotic growth promoters (AGPs). AGPs are banned from the European Union and many countries are moving in the direction of stopping the usage of AGPs because of the potential for the emergence of antimicrobial resistance. Regarding AGPs and the intestinal microbiome, multiple references have reported that AGPs can lead to an increase or decrease of specific bacterial species causing a shift in the intestinal microbiome in broiler chickens. There are multiple studies that compare different AGPs and go into detail specifically what bacterial taxa are affected if you are interested.
Hope this helps!
Hi Brittany, I would appreciate if you could suggest a handful of references as you mentioned in your answer to this question. Thanks!
Hi Bruno,
Yes here is a list of some of the references that I have found helpful in regards to the relationship between AGPs and microbiome but there are more references especially regarding the physiological effects of AGPs in chickens:
Review: Article Global Restriction of Using Antibiotic Growth Promoters and ...
PMID: 28222110 (Costa et al. 2017), PMID: 29444134 (Kumar et al. 2018), PMID: 26425940 (Neumann and Suen 2015), and PMID: 31058171 (Proctor and Phillips 2019)
I hope this helps!
Working groups on reduction antimicrobial (therapeutic, because as growth promoters are banned in European Union):
Finalized for pig: https://ec.europa.eu/eip/agriculture/en/focus-groups/animal-husbandry-reduction-antibiotic-use-pig
Finalized soon for chicken: https://ec.europa.eu/eip/agriculture/en/focus-groups/reducing-antimicrobial-use-poultry-farming
Feeding farm animals with antibiotics has disastrous consequences. Antimicrobial resistance is not the only problem. Antibiotics will stop the nutrition supply from the bacteria to the animals, directly contributes to malnutrition, so as to stop the growth of the animal, and lead to their death.
Bacteria are pivotal heroes in Rumen fermentation, which convert the nutrient poor food of farm animals to all essential nutrients necessary to the animal. The bacteria themselves are also good source of nutrition targeted by the immunity of the animal and harvested through autophagy. one may read the following discussion link for more information:
https://www.researchgate.net/post/How_a_cow_gets_all_the_nutrients_by_just_eating_grass?
The use of antibiotics as growth promotion is strongly prohibited in Bangladesh.
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