Neco 2021 animal husbandry Essay & Objective questions and answers
ANIMAL HUSBANDRY OBJ AND THEORY ANSWERS
Respiratory system helps the animal to absorb oxygen
(ii) Artificial incubation
(i)Restlessness and isolation
(iii)Reduced or loss of appetite
(i)mucus discharge from the vulva
(ii)decreased body temperature
(iii)filling of mammary glands with milk
*(Pick any one)*
(i)supporting the weight of the animal
(ii) dissipating the energy impact as the hooves strike the ground or surface
(iii)protecting the tissues and bone within the hoof capsule
(iv) providing traction for the animal.
Rangelands are grasslands, shrublands, woodlands, wetlands, and deserts that are grazed by domestic livestock or wild animals
(i) healthy pasture are beneficial to the owners animal and environment
(ii)they prevent erosion and water loss.
(iii)reduce labour requirements; it reduce the labour required especially in feeding livestocks
(iv) provide of feeds; the grasses and legumes on a pasture serves as food for feeding livestock
Artificial insemination is a fertility treatment method used to deliver sperm directly to the cervix or uterus of an animal in the hopes of getting pregnant.
(i)There is no need of maintenance of breeding bull for a herd
(ii)It prevents the spread of certain diseases and sterility due to genital diseases
(iii)The progeny testing can be done at an early age.
(iv)The semen of a desired size can be used even after the death of that particular sire.
Progeny selection indicates choice of breeding stock on the basis of the performance or testing of their offspring or descendant while Pedigree selection is a breeding technique in which the breeder maintains the records of an ancestry of the cultivar
Inbreeding is a mode of breeding involving two individuals or organisms that are closely or genetically related. While outbreeding is the crossing of plants or animals within a species which are not closely related genetically.
A pathogen is defined as an organism causing disease to its host, with the severity of the disease symptoms referred to as virulence.
(ii) Harsh weather conditions
(iii) injury’s and poorly treated wonds
CAUSAL ORGANISN: Avian paramyxovirus
MODE OF TRANSMISSION: Infected birds’ droppings and secretions from the nose, mouth and eyes.
SYMPTOM: Coughing and sneezing
CONTROL MEASURE: Slaughter and bury infected bird.
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