La revue Viandes et produits carnés

La revue française de la recherche en viandes et produits carnés  ISSN  2555-8560




What rearing factors influence marbling in beef?

In the last 40 years, the French bovine meat value chain improved bovine carcass performances, reducing the amount of adipose tissue and therefore marbling of meat. The importance of fat infiltration in meat for organoleptic quality has been once again recently proved. Thus, marbling is a research axis of INTERBEV (the French bovine meat interbranch organisation) in order to improve meat quality for consumers. Nevertheless, rearing factors impacting marbling level in meat have been poorly studied in France. The objective of this review is to identify breeding factors linked to animal or feeding which could enhance marbling level of bovine meat.

Semi-modern pig farming in Korhogo, Ivory Coast, and the challenges of vitamin D requirements

The main objective of this work was to study the nutritional quality of pork produced in Ivory Coast by pig farmers in Korhogo. This study involved blood samples of pigs from two categories of piggeries. Some pigpens were completely covered and other were partially covered. For each sample, vitamin D3, calcium, phosphorus and magnesium were measured. The concentration of vitamin D3 in pigs from fully covered pigpens was low (6.19 ng/mL) compared to the concentration of vitamin D3 in the blood of pigs from partially covered pigpens (109.69 ng/mL). According to these results, since sunrise induces the synthesis of vitamin D3 in the body of pigs, covered pigpens are not recommended for pig farmers in Korhogo. Thus, the main recommendation should be to open the pigpens for sunrise or to provide vitamin D3 in animal feed.

A new semantic resource applying the principles of open science: a meat thesaurus as a computing tool for the dialogue between actors of the sector.

Today, it is important to make research results accessible to the public in a simple and understandable way. This objective is at the origin of the Open Science movement. This movement uses many tools available on the internet, publications and data available through open access or partnerships between scientists and actors of society. The meat dictionary first developed by the Meat Academy, served as a source for the creation of a specific thesaurus on meat and which could be useful to different actors of the sector, including consumers. The Meat Thesaurus contains 1505 concepts that describe the different facets of the meat sector such as the market and commercialization of meat, slaughtering, culinary preparations, etc. The creation of the thesaurus was done by a pluridisciplinary team including experts in web semantics, meat biology and experts of meat vocabulary. This thesaurus has several advantages. First, it may be used to help index articles, review articles and data sets, making their consultation by professionals, consumers, scientists or journalists easier. It may also be used as a basis for building an ontology, which is a formal description of knowledge in a field that will be used to reason from data. The thesaurus will also allow enriching other vocabulary to introduce new knowledge, like for example French specificities of meat cutting or terms and definitions.

Does breed have an effect on the sensory quality of beef from young bulls?

Within the framework of the European consortium GemQual, 436 young cattle from 15 different cattle breeds were reared in similar livestock systems in order to assess the impact of the breed on beef sensory quality determined by sensory analysis. A comparison of two statistical methods to process sensory analysis data was first performed. The analysis of variance with or without a panelist effect led to similar results indicating that this methodological choice is not decisive for the interpretation of the results. An unsupervised classification (hierarchical ascending classification) then made it possible to group the breeds according to three sensory profiles on the basis of 4 descriptors (tenderness, juiciness, intensity of flavor and abnormal flavor). This highlights five breed associations.
- The Aberdeen Angus, Highland and Jersey breeds, which have a high fat content in the studied muscle (Longissimus thoracis), were distinguished from the other breeds by a higher beef flavor.
- The mixed and hardy breeds, Simmental, Casina and Marchigiana, produced meat that was significantly less juicy and less tender than that of the breeds selected for meat production.
The following three other associations bring together:
- the Limousin and Charolais breeds whose profile seems quite similar:
- the Pirenaica and Avilena breeds highly appreciated by the panelists since they produce tender beef,
- the Asturiana de los Valles and Piemontaise breeds characterized by a more intense abnormal flavour.
Overall, despite significant differences in animal, carcass and muscle characteristics, differences in sensory quality between most breeds were small, with only significant differences between the few breeds that exhibited extreme sensory profiles. (such as Simmental and Pirenaica).

Interbev's researches for a better nutrition

Synthesis of work in progress on the environmental impact of meat, animal protection, food balance, market demand and responses to consumer expectations.
Initiated in 2019, the INTERBEV Research Mornings have been renewed in 2021. The second edition of this scientific and technical interprofessional event has retained the theme of "Eating better" in line with the collective communication campaign "Love meat, eat -better ". This theme is indeed at the heart of interprofessional reflections and work. The results of INTERBEV's research (R&D, economy, socio-consumption) contribute to this strategy. The program of these Mornings has, once again, demonstrated the plurality and diversity of the work and collaborations of the livestock and meat interprofession.

Main issues of a PGI recognition for Pyrénées milk fed lamb

The production of Pyrenean suckling lambs is a way to contribute to the economic activity of the Pyrenees, the maintenance of sheep farmers, the preservation of the environment and the life of the region. In order to defend this product, it is necessary to re-evaluate precisely the interest of crossbreeding between local dairy breeds and local Pyrenean meat breeds, in terms of growth gain and weight at slaughter, but also of conformation and adaptation to the market. The trial compared purebred lambs and lambs crossed with either beef breeds or the Montagne Noire breed. In accordance with feedback from the field, purebred lambs had lower growth performance and lighter slaughter weight and carcass weight than crossbred lambs. Crossbreeding seems to affect fat color and especially the yellow index (b*): purebred lambs' fat is significantly less yellow than crossbred animals. Crossbreeding also affects the color of muscles, the lambs crossed with Montagne Noire and purebred having lighter meat than lambs crossed with other breeds. In our work, we found that purebred lambs were slightly tougher than Black Mountain crossbred lambs and significantly tougher than lambs from other crossbreeds. This exploratory work thus provides the first characterizing elements of breeds and crosses that have been, until now, little treated in the literature.

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