2025 NECO ANIMAL H: 2025 NECO ANIMAL HUSBANDRY ANSWERS (3299)

(1a)

Respiratory system helps the animal to absorb oxygen

(1b)

(i)Forced air incubator

(ii)Still air incubator

(1ci)

(i)Restlessness and isolation

(ii)Sexual excitements

(iii)Reduced or loss of appetite

(1cii)

(i)mucus discharge from the vulva

(ii)decreased body temperature

(iii)filling of mammary glands with milk

(1d)

(i)supporting the weight of the animal

(3a)

Rangelands are grasslands, shrublands, woodlands, wetlands, and deserts that are grazed by domestic livestock or wild animals

(3b)

(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 'copied from e x p o c o d e . n e t free' livestock

(3c)

(i)concentrate

(ii)roughage

(iii)feed supplement

(iv)basal feed.

(4a)

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.

(4b)

(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.

(4ci)

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

(4cii)

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.

(5a)

A pathogen is defined as an organism causing disease to its host, with the severity of the disease symptoms referred to as virulence.

(5b)

(i) Malnutrition

(ii) Harsh weather conditions

(iii) injury's and poorly treated wonds

(5bi)

birds

(5bii)

avian paramyxovirus serotype type 1 (APMV-1)

(5biii)

infected birds' droppings and secretions from the nose, mouth and eyes.

(5biv)

Coughing and sneezing

(5bv)

Slaughter and bury infected bird.