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Disclosed herein is an isolated nucleic acid sequence encoding a recombinant polypeptide that has pancreatic lipase activity. Also disclosed herein are a recombinant vector and a recombinant host cell for producing the aforesaid recombinant polypeptide. The aforesaid recombinant polypeptide is adapted for preparation of an animal feed that is able to facilitate utilization of fats therein regarding pigs (especially postweaning pigs) and to enhance growth performance of the pigs.

Li S.-J.,National Taiwan University of Science and Technology | Liu C.-H.,National Taiwan University of Science and Technology | Chang C.-W.,Livestock Research Institute Council of Agriculture | Chu H.-P.,Livestock Research Institute Council of Agriculture | And 6 more authors.
European Journal of Clinical Investigation

Background: During the progression of the metabolic syndrome (MetS), cardiovascular diseases (CVD) appear clinically in many individuals and cause death. As a result, it is essential to set up an optimal animal model to study the mechanism of MetS leading to CVD. SIRT1 and AMPK are the master regulators of lipid and carbohydrate metabolism. The objective of this study was to establish a miniature pig model of Western diet-induced MetS and investigate the role of SIRT1/AMPK during MetS development. Materials and Methods: Five-month-old Lee-Sung (LS) and Lanyu (LY) minipigs were each randomly assigned to two groups: control diet (C) and Western diet (W), in a 6-month experimental period. Results: Western diet caused obesity in both minipig models. Compared with the CLS pigs, WLS pigs exhibited hypercholesterolaemia. However, WLY pigs maintained a similar plasma lipid profile to the CLY pigs. Western diet caused a lower antioxidant capacity in the liver of both pig models. WLS pigs had higher triglyceride accumulation in the liver than CLS pigs, whereas WLY and CLY pigs had similar hepatic triglyceride accumulation. Compared with CLS pigs, WLS pigs had a lower hepatic SIRT1 expression, whereas WLY pigs had a higher expression of AMPK, FOXO1 and SIRT1 than CLY pigs. Conclusion: Long-term feeding of the Western diet to Lee-Sung miniature pigs not only caused obesity but also induced MetS and fatty liver, whereas Western diet induced obesity in Lanyu pigs without metabolic dysfunctions. SIRT1/AMPK and their downstream pathways might be one of the possible regulators for pathological obesity in Lee-Sung pigs. © 2014 Stichting European Society for Clinical Investigation Journal Foundation. Source

Su A.-K.,Livestock Research Institute Council of Agriculture | Yang S.-S.,Livestock Research Institute Council of Agriculture | Chen S.-T.,Livestock Research Institute Council of Agriculture | Cheng Y.-S.,Livestock Research Institute Council of Agriculture | And 4 more authors.
Tropical Animal Health and Production

The goal of this research, conducted in the most southern part of Taiwan, was to create a new genotype: the "Hengchun Black Goat" (HB). Nubian (NU) goats were first crossed with a local breed, the Taiwan native (TN), then the F1 females were crossed with the imported black Boer (BO) bucks. The upgraded genotypes were then compared with the parental breeds and Kinmen (KM), another local breed, for growth traits and body conformation. The study concerned 1,136 kids born between 2005 and 2007. The analysed traits were body weight (BW), average daily gain and three linear measurements, namely height at withers, body length and chest girth. The results indicated that environmental factors, sex, birth and rearing type, dam parity and birth year had significant effects from birth to 6 months of age. The same differences persisted to 1 year. At 6 months of age, the least square means of BW were 16.2, 19.2, 25.1, 32.0, 23.9, 23.8, 23.0 and 23.9 kg, for KM, TN, NU, 1/2BO, 3/4BO, 7/8BO, BO and HB, respectively. These first results also indicate that the growth performances of the newly created line, Hengchun Black, were equivalent to those of Boer goats. © 2012 Springer Science+Business Media B.V. Source

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