Biological Animal Science Lesson Plans Units 1. Biological Sciences in Our Lives 2. Conducting Experiments 3. Summarizing and Reporting Research 4. Genetics and Heritability 5. Animal Reproduction 6. Digestion and Nutrition 7. Animal Health 8. Food Preservation Relevance Livestock statistics/ per capita 21 million employed in agriculture. 400,000 needed a year, w/ 100,000 having agriculture training. 20% require college degree. 20% production agriculture(farming). Less than 2% of the U.S. provides 281 million with food, fiber, textiles. Doing more with less: Farm Statistics (2002-2004) 43% land in Arkansas farm land, 14,500,000 acres crop land 9,580,000 acres, forestry 2,370,000 acres, pasture 1,980,000. Average farm size 305 acres/ 47,500 farms/ avg. farmer age 55. See fact sheet for Benton and Washington County, top exports/revenue. Population growth trends Increased efficiencies Genetics, livability, weight gains, health, processing, fertilizer, soil conservation Examples of Biological Animal Science Gender determination, cloning, GPS tracking, gene selection and engineering (splicing and mapping), growth hormones (Porcine somatropin PST and Ral-gro), production hormones(bovine somatotropin BST), pharmaceutical (E. Coli genetically engineered to produce insulin, until then only source was pancreas tissue, vaccines and boosters, transgenic (gene inserted in genome). Livestock Terminology Beef, dairy, swine, sheep, goats, horse, and poultry terms I. Biological Animal Science i. Cellular Biology 1. cell, nucleus, chromosomes, DNA, genes, cytoplasm, endoplasmic reticulum, ribosomes, mitochondria, lysosomes, golgi bodies, mitosis, prophase/metaphase, anaphase/telophase, meiosis I, meiosis II, gametes, haploid, ii. Animal Taxonomy 1. 1700 Carolus Linnaeus iii. iv. v. vi. vii. viii. a. Monera, protista, fungi, plantae, animalia b. King Philip Called Out For Giant Sandwiches c. Binomial nomenclature- genus species d. Livestock Taxonomy- hogs, cattle, sheep, horses, poultry Animal Development 1. Growth curve 2. Muscle 3. Fat 4. Bone 5. Growth hormones- Somatrophin, Beta Agonists, Sex Hormones (androgen/estrogen) 6. Genetic Selection Animal Systems 1. Muscular- make-up, tissue, muscle to meat, meat quality. 2. Digestive- components and types, nutrients, process. 3. Skeletal- identify and compare 4. Nervous- locate, function 5. Reproductive-traits, cycle, gestation, lactation, AI, embryo transfer, superovulation, gender preselection 6. Respiratory- components, function Genetics and Heritability 1. Qualitative and Quantitative 2. Recessive and Dominant 3. Genotype and Phenotype 4. Homozygous and Heterozygous 5. Breeding Systems 6. Heritability- selection Ethology: Animal Health 1. Behaviors: maintenance, social, learned 2. Animal Welfare vs. Animal Rights Animal Science Facts, Application, and Management 1. Livestock specs.: body temp, market weight, meat, feed intake, etc. 2. Breeds, traits, and dominance 3. Feeding Programs, parasites, disease, housing, marketing Food Preservation 1. smoking, curing, dehydrating, freezing, packaging, pasteurizing.