what happens day 16

what happens day 19 and 20 and 21

what happens day 15 of development

what happens day 18

what happens on day 14 of development

what happens on day 12 of development

what happens on day 8 of development?

what happens on day 5 of development?

what happens on day 2 of development

what happens on day 1 of development

light is used as a management tool to help what 4 things?

t or f decreasing light duration is utilized for growing pullets and increasing light duration are used to stimulate layers.

(a)  

how long is the standard level of light for maximum production?

(a)  

light bulb color can be expressed in ___ and ___

(a)  

the units for color rending index are

(a)  

Light intensity is measured in _, _or (a)  

what is the standard intensity recommended for pullets at 2-3 weeks? (include units)

(a)  

what light intensity should laying hens be kept at?

(a)  

what is the most developed sense of chicken?

(a)  

hens need about ___ hours of light and ___ hours of darkness

(a)  

how many watts should a lightbulb be form artificial lighting of a 100 square foot area?

(a)  

t or f  florescent lights are much more effective than Incandescent

bulbs

(a)  

why are incandescent bulbs more effective than florescent lights

what range of wavelengths can chickens see? (include units)

(a)  

Chickens detect light through the _____ ____ receptors in the eyes

(a)  

Chickens detect light through the retinal cone receptors in the eyes And via extra retinal ____ in the ____ gland and the____ gland.

(a)  

what is the length of incubation for chicken

(a)  

length of incubation for turkey and duck

(a)  

chickens have _ ovary and ovaduct while mammals have _

(a)  

eggs need to incubated at a temperature of (a)   degrees f

what will happen if the temperature of incubation runs 1 degree high?

what will happen if Incubation runs 1 degree low?

Optimum growth for most species requires a relative humidity of

(a)  

what will happen if humidity runs too high? what happens if it runs low?

why should we turn eggs?

how should eggs be placed in incubation compartment?

(a)  

a good hatch can be obtained if the eggs are placed on their sides. t or f

(a)  

eggs should be turns an even number of times a day t or f

(a)  

the two types of ventilation methods in and incubator are ___ air and ___

(a)  

what are the reasons for poor hatchability? (5)

what is candling used for?

what color is best for laying hens?

(a)  

what color is best for pullets?

(a)  

define parthenogenesis

3 layers of egg in chick development

(a)  

what does the mesoderm develop into

4 extra embryonic membranes of importance

what happens on day 10 of embryonic development

how can chicks be sexed?

(a)  

bump in cloacla indicates male or female?

(a)  

are females fast or slow featherers

(a)  

females are ___ in color and males are ___ in color

(a)  

___ __ sexing is sexing while chick is still an egg

(a)  

chicks are vaccinated for (a)   or fowl paralysis at one day old or in ovo

what should be the aproxx temp in an incubation box?

(a)