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Animals
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Impact of Genetics and Feeding on Growth Performance of Pigs—2nd...
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Impact of Genetics and Feeding on Growth Performance of Pigs—2nd Edition

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Pigs".

Deadline for manuscript submissions: 30 September 2026 | Viewed by 411

Special Issue Editors

Dr. André Albuquerque

E-Mail Website
Guest Editor
MED—Mediterranean Institute for Agriculture, Environment and Development & CHANGE—Global Change and Sustainability Institute, Universidade de Évora, Pólo da Mitra, Ap. 94, 7006-554 Évora, Portugal
Interests: transcriptomics and molecular biology; animal and plant production, nutrition and health
Special Issues, Collections and Topics in MDPI journals
Dr. Nicolás Garrido De la Osa

E-Mail Website
Guest Editor
MED—Mediterranean Institute for Agriculture, Environment and Development & CHANGE—Global Change and Sustainability Institute, Escola Superior Agrária de Elvas, Departamento de Ciência Agrárias e Veterinárias, Edifício Quartel do Trem, Avenida 14 de Janeiro n° 21, 7350-092 Elvas, Portugal
Interests: livestock genetics; animal improvement; animal nutrition and health
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent decades, most selected pig breeds have increased their genetic potential in regard to their growth and body composition traits. These enhancements have been followed by a rise in the development of unfavourable meat quality characteristics. Simultaneously, the costs associated with feed growing pigs is estimated to fluctuate between 70 and 80% of the total production cost, and it is crucial to minimize the amount of feed necessary in a world struggling to meet food sustainability goals. With this in mind, we are excited to announce a second edition of this Special Issue, “Impact of Genetics and Feeding on Growth Performance of Pigs”. This Special Issue intends to investigate the complex interactions between food and genetic factors in shaping the development of pigs, and we invite researchers to contribute their latest findings in the form of original or review articles.

We look forward to receiving your contributions.

Dr. André Albuquerque
Dr. Nicolás Garrido De la Osa
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Animals is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • animal improvement
  • nutrition
  • transcriptomics
  • NGS
  • welfare
  • production
  • sustainability
  • meat quality traits

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Published Papers (1 paper)

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Research

14 pages, 553 KB  
Article
Comparative Metabolic and Stress-Related Responses to Adrenaline in Iberian and Landrace Pigs
by Manuel Lachica, Andreea Román, José Miguel Rodríguez-López, Lucrecia González-Valero, Consolación García-Contreras, Rosa Nieto and Ignacio Fernández-Fígares
Animals 2026, 16(3), 354; https://doi.org/10.3390/ani16030354 - 23 Jan 2026
Viewed by 255
Abstract
Differences in metabolic traits between traditional and modern pig breeds may influence their physiological responses to stress hormones. This study evaluated the in vivo metabolic effects of an acute adrenaline challenge in Iberian (obese, slow-growing) and Landrace (lean, fast-growing) pigs (Sus scrofa [...] Read more.
Differences in metabolic traits between traditional and modern pig breeds may influence their physiological responses to stress hormones. This study evaluated the in vivo metabolic effects of an acute adrenaline challenge in Iberian (obese, slow-growing) and Landrace (lean, fast-growing) pigs (Sus scrofa domesticus). Four Iberian and five Landrace barrows (≈50 kg body weight; BW) fitted with a carotid catheter received an injection of adrenaline (3 µg/kg BW), and serial blood samples were collected for 105 min. Adrenaline transiently increased plasma glucose (p < 0.001) and lactate (p < 0.001) concentrations, both peaking at 5 min post-injection. Iberian pigs showed higher plasma lactate (1.26 vs. 1.03 mM; p = 0.002), triglycerides (0.34 vs. 0.27 mM; p < 0.001), and non-esterified fatty acids (NEFA; 0.38 vs. 0.29 mM; p = 0.021), but lower glucose (4.80 vs. 5.03 mM; p = 0.010) than Landrace pigs, while cholesterol remained unaffected (p > 0.10). No breed × time interaction was detected for any metabolite. The relative increase in glucose reached +47% in Iberian and +27% in Landrace pigs, whereas lactate rose +140% and +113%, respectively, indicating stronger glycolytic activation in Iberian pigs. Despite the limited sample size, the results provide physiologically relevant evidence supporting increased metabolic flexibility in Iberian pigs, characterized by a heightened sensitivity to adrenergic stimulation and associated with enhanced lipolytic and glycolytic responses; however, these conclusions should be interpreted within the specific experimental conditions under which the study was conducted. These findings demonstrate that Iberian pigs have higher metabolic sensitivity to adrenergic stimulation, with enhanced lipolytic and glycolytic activity. In conclusion, breed-dependent differences in stress-related metabolism suggest that Iberian pigs are furnished with increased metabolic flexibility to face short-term stress. Full article
(This article belongs to the Special Issue Impact of Genetics and Feeding on Growth Performance of Pigs—2nd Edition)
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