TY - JOUR AU - Dzib Cauich, Dany A. AU - Sierra Vásquez, Ángel C. AU - Lemus Flores, Clemente AU - Bugarín Prado, Job O. AU - Grageola Núñez, Fernando AU - Segura Correa, José C. AU - Moo Huchin, Víctor M. PY - 2021/09/23 Y2 - 2024/03/28 TI - Effects of Moringa oleifera and Brosimum alicastrum partial feed substitution in intramuscular fat and adipose tissues and on the expression of lipogenic genes of Mexican hairless pigs JF - Austral Journal of Veterinary Sciences JA - Austral J Vet Sci VL - 53 IS - 3 SE - Original article DO - 10.4067/S0719-81322021000300153 UR - https://ajvs.cl/index.php/ajvs/article/view/164 SP - 153-160 AB - <p>The present study evaluated the effects of the inclusion of ground <em>Moringa oleifera</em> and <em>Brosimum alicastrum</em> leaf meal in the diet of Mexican hairless pigs (MHP) on the amount of intramuscular fat, subcutaneous fat, leg muscle (<em>Biceps femoris</em>) fat, loin muscle (<em>Longissimus</em> <em>dorsi</em>) fat, leg and back fat, and the expression of lipid metabolism genes. Hairless pigs are reared in the Mexican tropics and are characterised by their body and intramuscular fat accumulation. Eighteen male pigs fed for 82 d were randomly allotted to three experimental isoenergetic and isoproteic diets, where <em>M. oleifera</em> or <em>B. alicastrum</em> (six pigs per diet) replaced wheat bran. The diets used were a control diet, a diet with 10% <em>M. oleifera</em> leaf meal, and a diet with 10% ground <em>B. alicastrum</em> leaf meal. The <em>M. oleifera</em> diet decreased (P&lt;0.05) the fat ratio in the <em>Longissimus dorsi</em> muscles, back fat, rib fat, total carcass fat, and the carcass fat: meat ratio. The <em>B. alicastrum</em> diet only decreased fat in the Biceps femoris muscle, back fat, and rib fat. <em>Moringa oleifera</em> and <em>B. alicastrum</em> diets also promoted the overexpression of mRNA from the stearoyl-CoA desaturase (SCD), fatty acid synthase (FASN), acetyl-CoA carboxylase alpha (ACACA), sterol regulatory element-binding protein 1 (SREBP1) and acyl carrier protein (ACP) lipogenic genes in the Biceps femoris muscle and leg fat (<em>P</em>&lt;0.001). In addition, lower ACACA and SREBP1 mRNA expression in the <em>Longissimus dorsi</em> muscle and back fat (<em>P</em>&lt;0.001) were related to the lower amount of fat in pigs fed <em>M. oleifera</em> and <em>B</em>. <em>alicastrum</em>. The inclusion of <em>Moringa oleifera</em> and <em>Brosimum alicastrum</em> meals 10% in the diet of the pig MHP reduces fat, this is an important finding because fat is abundant in this type of pig.</p> ER -