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A multi-purpose opening terminating at the vent at the posterior of a bird: birds expel waste from it; most birds mate by joining cloaca (a "cloacal kiss "); and females lay eggs from it. Birds do not have a urinary bladder or external urethral opening and (with exception of the ostrich) uric acid is excreted from the cloaca, along with faeces ...
Vent sexing, also known simply as venting, involves squeezing the feces out of the chick, which opens up the chick's anal vent (called a cloaca) slightly, allowing the chicken sexer to see if the chick has a small "bump", which would indicate that the chick is a male. Some females also have bumps, though they are rarely as large as those of ...
The causes and development of vent pecking are multifarious. Risk factors that have been identified as increasing vent pecking include dim lights placed in nest boxes to encourage hens to use the boxes, the diet being changed more than three times during the egg laying period, the use of bell drinkers, and the hens beginning to lay earlier than 20 weeks of age. [2]
An ad that closed out Season 46 spoofs AMC's teaming with Vin Diesel to promote his upcoming F9; this parody finds Diesel (Beck Bennett) celebrating the little minutiae ("The tickets… the sticky floors… that hand-dryer in the bathroom that's louder than a choo-choo train") that makes going to "the mooo-vies" so great.
Oology (/ oʊ ˈ ɒ l ə dʒ i /; [1] also oölogy) is a branch of ornithology studying bird eggs, nests and breeding behaviour. The word is derived from the Greek oion, meaning egg. Oology can also refer to the hobby of collecting wild birds' eggs, sometimes called egg collecting, birdnesting or egging, which is now illegal in many ...
FWD data is most often used to calculate stiffness-related parameters of a pavement structure. The process of calculating the elastic moduli of individual layers in a multi-layer system (e.g. asphalt concrete on top of a base course on top of the subgrade) based on surface deflections is known as "backcalculation", as there is no closed-form solution.
Vent pecking, sometimes called 'cloacal cannibalism', is considered to be a separate form of cannibalistic pecking as this occurs in well-feathered birds and only the cloaca is targeted. [ 4 ] [ 5 ] There are several causes that can lead to cannibalism such as: light and overheating, crowd size, nutrition, injury, death, genetics and learned ...
The ongoing 2020-2022 H5N8 avian influenza outbreak has led to millions of birds being killed via ventilation shutdown. In March 2022, one of the world's largest egg farms, Rembrandt Enterprises, used ventilation shutdown to kill 5.3 million chickens after the appearance of an avian influenza case. [9]