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Animals
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Organic vs. Conventional: Livestock Farming
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Organic vs. Conventional: Livestock Farming

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Animal System and Management".

Deadline for manuscript submissions: closed (31 July 2023) | Viewed by 4359

Special Issue Editors

Dr. Luiz Henrique P Silva

E-Mail Website
Guest Editor
Department of Agriculture and Food Science, Western Kentucky University, Bowling Green, KY 42101, USA
Interests: beef production; beef-on-dairy system; carcass evaluation; meat quality
Special Issues, Collections and Topics in MDPI journals
Dr. Rey Gutiérrez Tolentino

E-Mail Website
Guest Editor
Departament of Agricultural and Animal Production, Universidad Autónoma Metropolitana Unidad Xochimilco, Mexico City, Mexico
Interests: food quality and safety; contaminates in dairy products; functional substances in milk and dairy products
Dr. Luciana B. da Costa

E-Mail Website
Guest Editor
Department of Veterinary Preventive Medicine, The Ohio State University, Columbus, OH 43210, USA
Interests: milk quality management; organic farming

Special Issue Information

Dear Colleagues,

The interest in organic products has been growing worldwide, encouraging some farmers to transition from conventional to organic farming. However, the production costs of organic products are higher than that of conventional products, making the former more expensive to consumers. Rearing livestock organically is challenging because farmers rely on organic crops, and they cannot use the traditional feed additives, hormones, or medicines. Therefore, there is a constant search for alternative products and managements to ensure productivity, animal health, and product quality in animals reared under organic systems.

Researchers are invited to submit innovative papers related to organic livestock farming or comparing organic versus conventional livestock farming regarding:

  • Feed additive
  • Product quality
  • Environmental impact
  • Management
  • Animal welfare
  • Animal health

Dr. Luiz Henrique P Silva
Dr. Rey Gutiérrez Tolentino
Dr. Luciana B. da Costa
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 100 words) can be sent to the Editorial Office for announcement on this website.

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

  • organic dairy
  • organic meat
  • product quality
  • animal wellbeing

Published Papers (2 papers)

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Research

12 pages, 1497 KiB  
Article
Triacylglycerides and Cholesterol in Organic Milk from Chiapas, Mexico
by José Jesús Pérez González, Marcela Guillermina Ortiz Romero, Beatriz Schettino Bermúdez, Jorge Luis Ruíz Rojas, Claudia Cecilia Radilla Vázquez, Nelly Molina Frechero and Rey Gutiérrez Tolentino
Animals 2022, 12(10), 1292; https://doi.org/10.3390/ani12101292 - 18 May 2022
Viewed by 1339
Abstract
The study of milk fat composition is a priority topic at the international level; however, there are few studies on the composition of triacylglycerides (TAG) and sterols in cow’s milk produced in organic production systems. The objective of this study was to determine [...] Read more.
The study of milk fat composition is a priority topic at the international level; however, there are few studies on the composition of triacylglycerides (TAG) and sterols in cow’s milk produced in organic production systems. The objective of this study was to determine the profile of TAG, cholesterol, and other sterols in the fat of raw cow’s milk produced under organic conditions in the municipality of Tecpatán, Chiapas. Every month for one year, milk samples were obtained from three production units (PU 1, 2 and 3) and from the collecting tank (CT) of the municipality (12 months × 4 = 48 samples), in accordance with Mexican regulations. Milk fat was extracted by detergent solution and TAG and sterol analyses were performed by gas chromatography with a flame ionization detector and capillary columns. Chromatographic analyses identified and quantified 15 TAG in all milk fats, from C26 to C54, with a bimodal behavior; the maximum value (% w/w) for the first mode was located at C38 (14.48) and, for the second mode, C50 and C52 were considered with values of 11.55 and 11.60, respectively. Analysis of variance (ANOVA) followed by Tukey’s test only yielded significance (p < 0.05) for C26; most TAG values over time showed homogeneous variability. Cholesterol, brassicasterol, and campesterol were also determined; ANOVA did not show statistical significance (p ≥ 0.05) between them in the production units and collecting tank. Cholesterol had the highest percentage of the sterols with a mean value of 96.41%. The TAG and cholesterol profiles found in this study were similar to those reported in other countries. Full article
(This article belongs to the Special Issue Organic vs. Conventional: Livestock Farming)
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13 pages, 821 KiB  
Article
Animal Welfare and Parasite Infections in Organic and Conventional Dairy Farms: A Comparative Pilot Study in Central Italy
by Matteo Chincarini, Lydia Lanzoni, Jorgelina Di Pasquale, Simone Morelli, Giorgio Vignola, Barbara Paoletti and Angela Di Cesare
Animals 2022, 12(3), 351; https://doi.org/10.3390/ani12030351 - 01 Feb 2022
Cited by 1 | Viewed by 2008
Abstract
The study investigated and compared welfare conditions and gastrointestinal (GI) parasites distribution among organic (ORG) and conventional (CONV) farms in central Italy. Five ORG and five CONV farms were assessed for animal welfare with an adapted version of the AssureWel protocol. Faecal samples [...] Read more.
The study investigated and compared welfare conditions and gastrointestinal (GI) parasites distribution among organic (ORG) and conventional (CONV) farms in central Italy. Five ORG and five CONV farms were assessed for animal welfare with an adapted version of the AssureWel protocol. Faecal samples collected from the rectum of the animals both in ORG (n = 150) and CONV (n = 150) were analysed using conventional copromiscroscopy. The presence of skin damages in the rear legs was significantly predominant (p < 0.001) in CONV (26.7%) compared with ORG farms (10.0%). No differences were found for lameness, cleanliness, Body Condition Score, hair loss, body lesions and swelling prevalence. Data concerning the productive performances, e.g., total milk, fat and protein yields standardised in mature equivalent (ME) were collected. ME milk yield (ORG: 9656.9 ± 1620.7 kg; CONV: 12,047.2 ± 2635.3) and ME fat yield (ORG: 396.6 ± 66.8; CONV: 450.3 ± 102.8) were significantly lower in ORG farms (p < 0.001). Anthelmintics were used regularly in 4/5 CONV and 0/5 ORG farms. In 2 CONV farms (40%) and 4 ORGs (80%) at least one animal tested positive for GI parasites. No significant differences in parasites prevalence emerged (ORG = 10.7%; CONV = 8%). These data indicate that ORG farming does not influence parasite prevalence and animal welfare status. Full article
(This article belongs to the Special Issue Organic vs. Conventional: Livestock Farming)
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