title: A comparison of the quality of fresh and frozen pork from immunologically castrated males versus gilts, physical castrates, and entire males.
abstract: The objective of this study was to compare pork quality and sensory characteristics of pork from gilts, physical castrates, entire males, and immunological castrates. Loins (Longissimus thoracis et lumborum) were collected at harvest, aged for 10 days, and subsequently cut into chops and roasts. Two chops and one roast were frozen for a minimum of 14 days to a maximum of 30 days and chops and roasts from the same loin were evaluated in fresh form. A trained sensory panel evaluated the samples and results showed that gilt pork, physical castrate pork, and immunological castrate pork were similar in terms of boar odor and pork flavor. The evaluated pork quality characteristics showed no differences among sexes except for marbling in the frozen samples (P<0.05). Results suggest that pork from immunologically castrated males is similar to pork from physical castrates in terms of sensory and pork quality characteristics and between fresh and frozen products.
authors.affiliation: Department of Animal Science, 201 Kildee Hall, Iowa State University, Ames, IA 50011, United States.
authors.forename: Amanda J
authors.initials: AJ
authors.lastname: Elsbernd
authors.affiliation: Department of Animal Science, 201 Kildee Hall, Iowa State University, Ames, IA 50011, United States. Electronic address: jfp@iastate.edu.
authors.forename: John F
authors.initials: JF
authors.lastname: Patience
authors.affiliation: Department of Food Science and Human Nutrition, 220 MacKay Hall, Iowa State University, Ames, IA 50011, United States.
authors.forename: Ken J
authors.initials: KJ
authors.lastname: Prusa
mesh_terms: D052436:Adipose Tissue, White / Q000254:growth & development / Q000378:metabolism; D050154:Adiposity; D000818:Animals; D003269:Contraception, Immunologic / Q000009:adverse effects / Q000662:veterinary*; D003433:Crosses, Genetic; D004041:Dietary Fats / Q000032:analysis; D005260:Female; D063427:Food Quality; D061353:Food Storage; D005628:Frozen Foods / Q000032:analysis*; D006801:Humans; D008297:Male; D008460:Meat / Q000032:analysis*; D018482:Muscle, Skeletal / Q000254:growth & development / Q000378:metabolism; D009812:Odorants; D009919:Orchiectomy / Q000009:adverse effects / Q000662:veterinary*; D012677:Sensation; D012727:Sex Characteristics; D034421:Sus scrofa / Q000254:growth & development / Q000276:immunology / Q000502:physiology*; D013649:Taste; D013909:Thorax; D014481:United States
chemical_list: D004041:Dietary Fats
keywords: Immunological castration; Pigs; Pork quality; Sensory analysis