BACKGROUND As an important factor affecting meat quality, intramuscular fat (IMF) content is a topic of worldwide concern. Emerging evidences indicate that microRNAs play important roles in adipocyte differentiation. However, miRNAome has neither been studied during porcine intramuscular preadipocyte differentiation, nor compared with subcutaneous preadipocytes. The objectives of this study wer...

Abstract Background Intramuscular fat (IMF) content is a vital parameter for assessing pork quality. Increasing evidence has shown that microRNAs (miRNAs) play an important role in regulating porcine IMF deposition. Here, novel miRNA implicated adipogenesis was found, and its effect regulatory mechanism were further explored with respect to intramuscular preadipocyte proliferation differentiati...

The Iberian pig is an autochthonous animal bred from the south-western area of Spain. Dry-cured Iberian ham presents a special flavor, which makes it a very worthy product among consumers. Its special characteristics are mainly due to marbling and fat content. Currently, chemical procedure is the only proved way to evaluate fat content in Iberian ham. Nevertheless, food technology experts belie...

The objective of this study was to estimate parameters required for genetic evaluation of Simmental carcass merit using carcass and live animal data. Carcass weight, fat thickness, longissimus muscle area, and marbling score were available from 5,750 steers and 1,504 heifers sired by Simmental bulls. Additionally, yearling ultrasound measurements of fat thickness, longissimus muscle area, and e...

A 50-day feeding trial was conducted to evaluate the effects of yeast nucleotide in diets on growth performance, serum immune indices and muscle composition of Ancherythroculter nigrocauda (mean initial body weight, 23.30±0.59 g). Seven isonitrogenous (approximately 42.76% crude protein) and isoenergetic (17.43 KJ g−1 gross energy) experimental diets with varying levels of yeast nucleotide (0[c...

AIMS/INTRODUCTION Little is known about the long-term effects of Roux-en-Y gastric bypass (RYGB) in severely obese Asian individuals. METHODS AND MATERIALS A total of 33 severely obese patients with type 2 diabetes underwent RYGB. All patients were followed up for 2 years. Visceral and abdominal subcutaneous fat areas were assessed using computed tomography (CT) before, and 12 and 24 months a...

The effects of breed and slaughter weight on chemical composition, fatty acid groups, texture, and sensory characteristics of meat of 141 suckling male kids from 5 Spanish breeds were studied. There was a decrease in texture and lightness and hue angle with the increase of the slaughter weight. Fatty acid composition was correlated with the intramuscular fat content. All the breeds except MO ha...

We present a very flexible method that allows us to analyze X-linked quantitative trait loci (QTL) in crosses between outbred lines. The dosage compensation phenomenon is modeled explicitly in an identity-by-descent approach. A variety of models can be fitted, ranging from considering alternative fixed alleles within the founder breeds to a model where the only genetic variation is within breed...

Adipose tissue plays an important role in energy metabolism and related diseases. The content of intramuscular fat significantly influences the pork quality. In this study, the whole gene expression of dorsal subcutaneous (s.c.) adipose tissue and intramuscular (i.m.) adipose tissue isolated from longissimus dorsi muscle tissue were compared using Affymetrix Gene-Chip microarray technology. The...

This study aimed at characterising 606 crossbred pigs of three commercially available breed types in terms of their carcass and meat quality. Breed G and H were German Large White (LW)×German Landrace (LR) sows sired with Pietrain (PI) boars, i.e. PI×(LW×LR). Breed S was 25% Duroc (DU), i.e. PI×(DU×LR). Most of the parameters were affected by breed and/or date of slaughter. The meat of crossbre...