Animal Housing Flashcards
(130 cards)
Uses small inputs of labor, fertilizers, and capital, relative to the land are being farmed
Extensive farming
Higher levels of input and output per cubic unit of agricultural land area
Intensive farming
Different types of physical constructions that are put up in a farm for the purpose of livestock and crop production
Farm structures
Help increase efficiency of agricultural production
Farm structures
_____ normally live in herds but when giving birth, attempt to find a quiet, sheltered place away from the disturbance of others
Cattle
_____ spend considerable time in selection of a nest, which is on the ground
Hens
_____ are nest-builders and should be transferred to clean farrowing pens one to two weeks before giving birth, and given some bedding with which they can build a nest
Sows
Estrus, especially in _____, is sincreased by the smell, sight, and physical presence of a boar
Gilts
_____ prefer to be able to see while drinking
Cattle
_____ are vigilant and tight flocking, respond to disturbances by fleeing
Sheep
Balancing internal heat production and heat loss to the environment
Heat regulation
Acts as a body thermostat by stimulating mechanisms to counteract either high or low temperatures
Hypothalamus
Are more likely to suffer from heat stress in a hot climate
High-yielding animals
Feeding fiber-rich, low-digestible feedstuffs will result in _____
High-heat production
No change in phase [heat]
Sensible heat
Change in phase [heat]
Latent heat
A mean daily temperature in the range 10-20C
Comfort zone
_____ is much more sensitive to its thermal environment and requires higher teemperatures
Very young animals
_____ do not have sweat glands
Poultry
Excessively low humidity in the air will cause _____
Irritation of the mucus membranes
Excessively high humidity may promote _____ and
Growth of fungus infection and decay
Humidity should be kept in the range of _____
40-80%
_____ hair coat will absorb less radiant energy than a _____ one, but heat penetrates into a _____, loose coat
White, dark, white
The optimal ambient temperature for pigs weighing 75-120kg is ____
15C