Is the number of eggs a chicken lays affected by the hours of daylight independent variable?

Is the number of eggs a chicken lays affected by the hours of daylight independent variable?

Hypothesis: The amount of daylight does not affect the amount of eggs laid by a chicken, because daylight doesn’t affect natural rhythms. What is the independent variable? Hypothesis: The amount of daylight does not affect the amount of eggs laid by a chicken, because daylight doesn’t affect natural rhythms.

What are the 3 environmental factors that lead to a smaller egg?

Factors That Affect Egg Size

• Breed. Type of breed is one of the factors that affect egg size.
• Ambient Temperature. The chickens bred in the hot season usually lay small eggs after the start of production.
• Lighting Programs.
• Age of Hen.
• Feed Intake.
• Water Consumption.
• Body Weight and Physique.
• Nutrition.

What is the record number of eggs laid by a chicken?

The highest authenticated rate of egg-laying is 371 in 364 days, laid by a White Leghorn (No. 2988) in an official test conducted by Prof. Harold V. Biellier ending on 29 August 1979 at the College of Agriculture, University of Missouri, USA.

How does the amount of light affect the number of eggs laid by a chicken?

Light. Daylight stimulates the reproductive cycle of egg layers, increasing production when exposed to more light. Hens typically produce more eggs in the spring and summer months because of the longer exposure to sunlight throughout the day.

How does the amount of daylight a ect the number of eggs laid by chicken?

In order to consistently lay eggs, hens need about 16 hours of daylight and 8 hours of darkness when they’re roosting. Once less than 12 hours of daylight is available, egg productions slows down considerably if not ceases completely.

How does stress affect egg production?

In a recent study [44], a 12-day heat stress period caused a daily feed intake reduction of 28.58 g/bird, resulting in a 28.8% decrease in egg production. Star et al. [65] reported a reduction of 31.6% in feed conversion, 36.4% in egg production, and 3.41% in egg weight in laying hens subjected to heat stress.

What affects the size of an egg?

Hen body weight is the key to increased egg size. Bigger hens produce larger eggs than smaller hens and bigger breeders produce larger eggs than smaller breeders. For modern White Leghorns, rearing pullets that weigh at least 1.35 kg (3.0 lbs.) at the start of egg production will increase both hen weight and egg size.

What is the biggest chicken ever?

The Jersey Giant is the biggest chicken in the world. Many people believe that the Brahma chicken comes in first– however, while some outstanding Brahmas can sometimes grow to be just as large, the Jersey Giant is slightly larger on average.

What is the heaviest egg in the world?

ostrich
The largest egg on record weighed 2.589 kg (5 lb 11.36 oz) and was laid by an ostrich (Struthio camelus) at a farm owned by Kerstin and Gunnar Sahlin (Sweden) in Borlänge, Sweden, on 17 May 2008.

Is it OK to leave light on in chicken coop?

If you are lighting your coop, make sure to start gradually, to build up your hen’s tolerance, and use only a 25 or 40 watt bulb. Don’t leave a white light on 24 hours – chickens will perceive it at as sunlight and will not sleep during the night.

Does it hurt a chicken when they lay an egg?

Yes, egg-laying can be painful to some hens, but not to a severe degree. Younger hens are said to have a more challenging time laying eggs than the older and experienced ones.

What is the average lifespan of a chicken?

5 – 10 years
Chicken/Lifespan