APSC 301 POULTRY SCIENCE FINAL EXAM 2025

Two subspecies of japanese quail (name and scientific names) - -European quail (Coturnix coturnix coturnix) and Asian or Japanese quail (Coturnix coturnix japonica) Three breeds of Japanese quail in the US - -English White, Golden Range, and Italian Three birds classified as Ratities - -Emu, Ostrich, Rhea What are two reasons why geese can digest large amounts of high fiber feedstuff compared to most other poultry? - -large, muscular proventriculus an extremely well developed gizzard, and microbial breakdown of fiber in the well developed ceca and large intestines What are the four marketable products produced by Ratites? - -meat, hide, feather, and oil What are the six categories of nutrients? - -carbohydrates, fats, proteins, water, minerals, vitamins What are 3 undesired behaviors of poultry? - -Feather Picking, Cannibalism, flightiness What three nutrients do energy result from? - -Carbohydrates, Lipids, proteins What are two essential fatty acids that cannot be synthesized by birds and must be included in their feed? - -Linoleic and Arachnidonic What are 4 essential amino acids critical in poultry ration that should be given attention? - -Lysine, Tryptophan, Methionine, and Cystine What are two breeds of ducks that are top egg producers? top meat producers? - -egg prod: Khaki Campbell, Pekin, Runner meat prod: Runner, Rouen What are three duck breeds classified as ornamentals? - -Muscovy, Buff, Call, Crested T/F Cellulose is easily digested in poultry. - -false T/F protein sources make up the major portion of poultry ration - -False, Carbohydrates do T/F glucose is the most abundant hexose - -True APSC 301 APSC 301 T/F carbohydrates generates 2.25 times more energy per unit than fats - -false, fats produce 2.25 times more energy than carbs T/f cellulose is the most abundant organic compound in nature - -true T/f quails require a higher level of protein than other fowls - -True T/f chicken are lactose intolerant - -true T/f poultry rations are the most nutritionally complete of any diet fed to animals - -true T/f poultry does not have the ability to learn - -false T/f ducks must be taught how to swim - -false T/f the number of optic nerves in the chicken is twice that of man - -true, specifically 2.5 times T/f the ability of birds to detect odors is comparable to mammals - -true T/f the crow of the rooster is a means of communication - -true T/f the male usually take the initiative during courtship - -false, the female does T/f chickens are monogamous - -false T/f cannibalism is more frequent in poultry under confined conditions - -False T/f the Japanese quailis a migratory species - -True T/f the japanese quail is regarded as a dual purpose bird - -True How do you calculate the protein content of a sample? - -find the nitrogen percentage and multiply that by 6.25 Ex. 3% nitrogen .03 x6.25=0.1875 0.1875x 100= 18.75% protein What are the fat soluble vitamins? - -Vitamins A, D, E, K name two major markets for quail - -Hunting Preserves, Hunting dog trainers, restocking of birds in wildlife, custom slaughter for gourmet markets, egg production What are the two species in Rhea family? - -White Rhea, and Common or Gray Rhea APSC 301 APSC 301 What are nutrients from digested feed utilized based on? - -Age, species, class, productivity What do lipids provide? - -energy, improve physical consistency of the feed, and aids in absorption of fat soluble vitamins What can the lack of salt in the diet lead to? - -reduced reproductive performance, retarded growth, cannibalism What are classic symptoms of Vitamin E deficiency? - -encephalomalacia, exudative diathesis, nutritional muscular dystrophy What is the primary source of energy in poultry diets? - -Carbohydrates What is the most abundant organic compound in nature? - -cellulose What vitamin must be present for proper absorption of calcium and phosphorus? - Vitamin D3 What two microminerals are necessary to prevent anemia? - -Copper and iron What micromineral is needed to prevent goiter? - -Iodine What is the worlds oldest and largest bird? - -Ostrich What are Emu oils used in? - -Pharmaceuticals and cosmetic products What vitamin is synthesized by poultry, therefore not needed in diet? - -Vitamin C what is the single constituent of poultry tissue? - -water what bird is regarded as one of the most intelligent? - -Geese What bird has good memory and could be used as watch animals against intruders? - Geese What bird is the only bird to have two toes? - -Ostrich What three minerals need dietary proportions for maintaining acid base balance? - sodium, potassium, and chlorine What is the ideal calcium to phosphorus ration in chicken diets? - -1:2:1 What vitamin is extremely susceptible to destruction due to fat oxidation in the feed? - Vitamin E APSC 301 APSC 301 Where do emus originate? - -Australia What is the dietary recommendation for salt in poultry ration? - -0.2%-0.5% What is the protein level in a broiler ration? - -21-24% What is the protein level in a layer ration? - -16-17% What type of poultry does not normally exhibit pecking and cannabalistic behavior? - Geese What type of poultry lay eggs mainly during the winter months? - -Emus What are the two subspecies of ostrich imported to the US and where from? - -Red Neck of N. Africa and smaller Blue Neck of S. Africa What vitamin is more active in the animal form compared to plant form, in poultry? - -D3 more active than D2 What vitamin has their requirement increased during infections? - -Vitamin K What are chicken referred to because they cannot regulate their body temperature? - Hemeotherm What two vitamins are commonly low in poultry rations? - -Vitamin A and D What is most calcium used for in grow