Evidence map›Paper›PMID 38471225›Full record

ArticlePoultry science2024

ß-Hydroxy-ß-methylbutyrate: A feed supplement influencing performance, bone metabolism, intestinal morphology, and muscle quality of laying hens: a preliminary one-point study.

Ewa Tomaszewska, Sylwester Świątkiewicz, Anna Arczewska-Włosek, Dorota Wojtysiak, Piotr Dobrowolski, Piotr Domaradzki, Iwona Puzio, Halyna Rudyk, Oksana Brezvyn, Siemowit Muszyński

Open access · goldAbstract read
In one paragraph

Article in Poultry science, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed, 1 pooled it
2.4field-weighted citation impact, top 14% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

7 citing papers in PubMed, 1 synthesis or guideline pooled it, 7 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 5 institutions in 2 countries.

Ewa TomaszewskaDepartment of Animal Physiology, University of Life Sciences in Lublin, Lublin, Poland. Electronic address: ewaRST@interia.pl.
Sylwester ŚwiątkiewiczDepartment of Animal Nutrition and Feed Science, National Research Institute of Animal Production, Balice, Poland.
Anna Arczewska-WłosekDepartment of Animal Nutrition and Feed Science, National Research Institute of Animal Production, Balice, Poland.
Dorota WojtysiakDepartment of Animal Genetics, Breeding and Ethology, University of Agriculture in Kraków, Cracow, Poland.
Piotr DobrowolskiDepartment of Functional Anatomy and Cytobiology, Maria Curie-Sklodowska University, Lublin, Poland.
Piotr DomaradzkiDepartment of Commodity Science and Processing of Raw Animal Materials, University of Life Sciences in Lublin, Lublin, Poland.
Iwona PuzioDepartment of Animal Physiology, University of Life Sciences in Lublin, Lublin, Poland.
Halyna RudykState Scientific Research Control Institute of Veterinary Medicinal Products and Feed Additives, Lviv, Ukraine.
Oksana BrezvynState Scientific Research Control Institute of Veterinary Medicinal Products and Feed Additives, Lviv, Ukraine.
Siemowit MuszyńskiDepartment of Biophysics, University of Life Sciences in Lublin, Lublin, Poland.
University of Life Sciences in Lublin · PLNational Research Institute of Animal Production · PLSCIVP of Veterinary Medicinal Products and Feed Additives · UAMaria Curie-Skłodowska University · PLUniversity of Agriculture in Krakow · PL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Laying hens, selectively bred for high egg production, often suffer from bone fragility and fractures, impacting their welfare and causing economic losses. Additionally, gut health and muscle quality are crucial for overall health and productivity. This study aimed to evaluate the effects of ß-Hydroxy-ß-methylbutyrate (HMB) supplementation on performance, bone metabolism, intestinal morphology, and muscle quality in laying hens. Forty-eight Bovans Brown hens were divided into a control group and an HMB-supplemented group (0.02% HMB in diet). The study spanned from the 31st to the 60th wk of age. Assessments included bone mechanical testing, serum hormonal analysis, histological analysis of bone and intestine, and muscle quality analysis. The HMB supplementation led to decreased feed intake without affecting body weight or laying rate in laying hens. It caused an increase in both mean daily and total egg weight, indicating improved feed utilization, without influencing the feed intake to egg weight ratio. Enhanced bone formation markers and altered intestinal morphometric parameters were observed, along with improved trabecular bone structure. However, no changes in measured other bone quality indices, including geometric, densitometric, or mechanical properties were observed. Muscle analysis revealed no significant changes in overall meat quality, except for a decrease in cholesterol content and alterations in the fatty acid profile, notably a reduction in total n-3 polyunsaturated and total polyunsaturated fatty acids (PUFA). In conclusion, although not all effects of HMB supplementation were unequivocally beneficial, the positive changes in performance data and trabecular bone microarchitecture support further research into various doses and durations of supplementation. Such studies are necessary to fully understand and optimize the benefits of HMB for enhancing the health and productivity of laying hens.

Indexed as

Animal FeedChickensDietDietary SupplementsIntestinesValeratesAnimal Nutritional Physiological PhenomenaAnimalsBone and BonesFemaleMuscle, SkeletalRandom Allocationbeta-hydroxyisovaleric acidValeratesbone metabolismintestinal morphologylaying henmuscle qualitynutritional intervention

Identifiers

PMID38471225
PMCPMC11067770
OpenAlexW4392245452

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.