Pinheiro Rennan Rômullo Silva, Watanabe Pedro Henrique, Araújo Lina Raquel Santos, Mendonça Ingrid Barbosa de, Sales João José de Mesquita, Santos Marcelo Emersom Costa, Pascoal Leonardo Augusto Fonseca, Guerra Ricardo Romão, Almeida Jonathan Madson Dos Santos, Freitas Ednardo Rodrigues
Departamento de Zootecnia, Universidade Federal do Ceará, Fortaleza, Brazil.
Faculdade de Veterinária, Universidade Estadual do Ceará, Fortaleza, Brazil.
Trop Anim Health Prod. 2024 Dec 9;56(9):403. doi: 10.1007/s11250-024-04235-0.
Five metabolism assays were performed to determine the metabolizable energy (ME) content of soybean oil, coconut oil, fish viscera oil, physical mixture of coconut oil and fish viscera oil (3:2, in kg: kg) and structured lipid prepared from interesterification of fish viscera oil and coconut oil (3: 2, in kg: kg), and one assay to evaluate the effects of including these lipid sources in piglet diets on performance, digestibility of diets, incidence of diarrhea and intestinal morphometry at nursery phase. Soybean, coconut, fish viscera, physical mixture and structured lipid oils showed ME values of 8239, 8199, 8839, 8268 and 8523 kcal/kg DM respectively. In the performance trial, a total of 90 piglets with 23 days of age were distributed among 5 diets, differing in the lipid source used (soybean oil, coconut oil, fish viscera oil, physical mixture or structured lipid). Piglets fed diet containing structured lipid showed better feed conversion, higher duodenal goblet cell number and jejunal absorption area (P < 0.05), with better digestibility of ether extract and energy of diets. Interesterification of lipid sources such as coconut oil and fish viscera oil improves intestinal morphology, positively influencing the performance of piglets at nursery phase.
进行了五项代谢试验，以测定大豆油、椰子油、鱼内脏油、椰子油与鱼内脏油的物理混合物（3:2，千克:千克）以及由鱼内脏油和椰子油酯交换制备的结构化脂质（3:2，千克:千克）的代谢能（ME）含量，并进行了一项试验，以评估在仔猪日粮中添加这些脂质来源对保育期仔猪生产性能、日粮消化率、腹泻发生率和肠道形态的影响。大豆油、椰子油、鱼内脏油、物理混合物和结构化脂质油的代谢能值分别为8239、8199、8839、8268和8523千卡/千克干物质。在生产性能试验中，将总共90头23日龄的仔猪分配到5种日粮中，这些日粮的脂质来源不同（大豆油、椰子油、鱼内脏油、物理混合物或结构化脂质）。饲喂含结构化脂质日粮的仔猪表现出更好的饲料转化率、更高的十二指肠杯状细胞数量和空肠吸收面积（P＜0.05），日粮的乙醚提取物和能量消化率更高。椰子油和鱼内脏油等脂质来源的酯交换改善了肠道形态，对保育期仔猪的生产性能产生了积极影响。
