Karen Davis, PhD, United
Poultry Concerns (UPC)
August 2016
Chickens raised to produce the eggs that become “broiler” chickens are called broiler breeders. Male and female chicks are raised separately until they are about five months old. At that time, the young hens and roosters are brought together in laying houses that hold from 8,000 to 10,000 birds, with ten or twelve roosters for each one hundred hens. The flock is maintained for breeding purposes for about ten months. At a little over a year old, they are sent to slaughter. Their eggs are gathered and taken away to the mechanical hatcheries; the parents never see their chicks. Throughout the breeding period, roosters are rigorously culled (removed and killed) for infirmity and infertility and because “if a particular male becomes unable to mate, his matching females will not accept another male until he is removed.”
Compassion Over Killing’s investigation this summer takes us inside the bleak and brutal world of “broiler breeder” chickens, the hens and roosters who produce the eggs that become the chicks who are slaughtered at 6 weeks old for “chicken.” The investigation was conducted at Tyson Foods facilities in Virginia, but poultry companies, by whatever name, are all “Tyson.”
Watch COK's undercover investigave footage:
Tyson Exposed: A Tradition of Torture
In
Prisoned Chickens, Poisoned Eggs: An Inside Look at the Modern Poultry
Industry, I talk about these poor, tortured parent flocks including the
“nozbonz” featured in the COK video and an undercover investigation
conducted by PETA at the Hudson chicken breeding facility in Maryland,
titled, in PETA News, in 1993, “Chicken Hell.”
Treatment of Parent Flocks – “Chicken Hell”
Not surprisingly, many employees vent their frustrations on the birds. A
supervisor swore “about a bird who had escaped during unloading and eluded
capture, threw a board at her and missed, then kicked her four or five feet
into the air. Another shouted obscenities at a chicken he blamed for having
made him fall and twist his ankle, then lunged at her, throwing his whole
weight on her, and punched her twice. Another, who broke the wing of a bird
causing a bone to protrude, blamed the chicken for not letting him catch
her.”
Parent Flocks: Blackouts and Food Restriction
Chickens raised to produce the eggs that become “broiler” chickens are
called broiler breeders. Male and female chicks are raised separately until
they are about five months old. At that time, the young hens and roosters
are brought together in laying houses that hold from 8,000 to 10,000 birds,
with ten or twelve roosters for each one hundred hens. The flock is
maintained for breeding purposes for about ten months. At a little over a
year old, they are sent to slaughter. Their eggs are gathered and taken away
to the mechanical hatcheries; the parents never see their chicks. Throughout
the breeding period, roosters are rigorously culled (removed and killed) for
infirmity and infertility and because “if a particular male becomes unable
to mate, his matching females will not accept another male until he is
removed” (Bell and Weaver, 641).
Breeding flocks are kept on floor systems that are part litter (wood
shavings) and part wooden or plastic slats. Each adult bird gets two square
feet of living space (Bell and Weaver, 821). Breeder houses are equipped
with mechanical nest boxes – one for every four hens – and feeders that are
similar for the roosters and hens except that “the wires that allow the
birds to slip their heads in to reach the feed are closer together on hen
feeders than on rooster feeders” (“Growing Up with Tyson”).
The reason for this difference is to keep the roosters from eating the hens’
food as they would otherwise do. Breeding hens and roosters are kept on
semi-starvation diets because the characteristics bred into broiler chickens
to produce rapid and excessive weight gain in the chicks cause obesity,
infertility and mating problems in their parents (Leeson, 49-50).
Left to eat as they please, the roosters become so large, unwieldy and disabled that they cannot mate properly or even move without pain. Even as babies, their legs tremble when they try to stand up and walk a little, like the legs of very old men. To curb these effects, broiler breeder chickens are kept in semi-darkness in “blackout houses” that, added to the ammonia fumes, harm their eyes causing ophthalmic disorders. In addition, as already noted, they are kept on semi-starvation diets designed to control their weight and reduce their food intake (“Chicken-Rage”). Typically, a whole day’s food is withheld from the birds every other day starting at three weeks old or they are fed very small portions in “every-day feeding since it is more efficient” (Leeson, 49). The chickens rush pitifully to the feeders when the food is restored, often injuring their feet and other parts of their bodies in their desperation to eat. Bacteria invade the tissues and bloodstream following these injuries to the skin, particularly the feet, which become inflamed with a painful footpad disease called bumblefoot.
Karen Davis holds a rescued “broiler breeder” hen blinded by ammonia fumes
in a Tyson facility in Maryland. UPC sanctuary photo by Bruce Andrew Peters
““Feed-restricted” chickens gorge themselves when the feeders are refilled, enlarging the capacity of their crop and gizzard to hold even more food, adding to the birds’ frustration. On days when food is withheld, they peck compulsively at spots on the floor, at the air, nonfood objects and each other’s heads, and, if permitted, they drink up to 25 percent more water than normal to compensate for the feeling of emptiness. Because this results in loose droppings and wet ammoniated litter, managers are urged to restrict the availability of water to “birds looking for feed” (Bell and Weaver, 631-633).
Nozbonz
In addition to separate feeders for the roosters and hens, many broiler
breeder roosters are implanted with a nasal devise called a “nozbonz” to
prevent them from poking their heads through the hens’ food restriction
grill. Maybe fifty percent of producers in North America use them, according
to a University of Georgia researcher in 1999 (Mauldin).
They’re used on the Eastern Shore in the U.S. where I’ve seen roosters with the nozbonz fused into their faces, sticking out on either side. The nozbonz is a two-and-a-half-inch plastic stick that is jammed through the bird’s cere (nasal cartilage) when he is five months old. Suzanne Millman, a researcher at the University of Guelph in Ontario, said she “did a few of the birds myself” and found that “it definitely takes quite a bit of pressure to get the Nozbonz through the septum.”
As bad as all this is, Millman writes, “Nozbonz are not effective for the purported objective.” Since the roosters are “extremely food motivated,” they “soon try their own experiments to access the female feeders. Females have a much higher feed allotment than the males due to demands from egg production, so males finish their meals in about 15-20 minutes and females take several hours. Males will turn their heads to get into the grills, and become vulnerable. If attacked by other birds, or frightened, they then often try to pull back and panic. They may injure or even kill themselves. They also sometimes rip the Nozbonz out in the struggle.”
Abnormally Aggressive Roosters and Hens
A new problem emerged in the poultry industry in the 1990s. An
increasing number of reports described broiler breeder males being very
aggressive toward females. This is highly unusual because male domestic fowl
dominate females passively and seldom show any overt aggression toward them.
– Ian Duncan, “Animal Welfare Issues in the Poultry Industry: Is There a
Lesson to Be Learned?” 2001, 213.
The “nozbonz” experiment was part of an investigation into the causes of
unusual aggression in broiler breeder chickens, a new manmade pathology
variously attributed to the birds’ impoverished environment, food
frustration, and genetic malfunction (Duncan 1999). In one study, the
introduction of “bales of plastic-wrapped wood shavings” to broiler breeder
hens was said to “dramatically” reduce their unnaturally aggressive behavior
(“chicken-rage”). Studies by Millman and Duncan led them to speculate that
attacks by broiler breeder roosters on hens is a genetically-based courtship
disorder, since even roosters who have been bred for cockfighting “show
little, if any, aggression toward females” (Duncan 2001, 213).
“Courtship Theory” of Rooster Aggression is Rubbish
The courtship theory recurs in Temple Grandin’s book Animals in
Translation, which proposes that genetic manipulation of chickens for
abnormally fast growth has somehow eliminated the rooster’s courtship dance
around the hen that tells her to crouch into a sexually receptive position.
When the hen fails to crouch or tries to escape from being mounted by the
rooster, according to the theory (which Grandin mistakenly presents as a
fact – “She doesn’t crouch down unless she sees the dance. – That’s
the way her brain is wired”), the rooster attacks her with his spurs or toes
and slashes her to death, an example of what Grandin calls “warped
evolution” in animals bred for single traits at the expense of overall
fitness (Grandin 2005, 69-72).
The trouble with the courtship theory is that these kinds of hens do
crouch, even without a rooster. If you so much as lay your hand gently
on their backs or approach them from behind, they will walk or run a little,
then stop and crouch abruptly during the spring and summer mating season. In
addition, a rooster’s courtship dance around a hen does not automatically
cause her to crouch. She may simply curve around and away from the rooster
signaling the end of the encounter. She may run away or continue her
dustbath or whatever else she was doing when he approached. Her response
does not provoke the slashing attack described by observers of broiler
breeder chickens in laboratories and commercial breeding operations.
Part of what is wrong with these birds is that they have been artificially
bred to become sexually mature at around three months old instead of the
normal six months, so that halfway out of their infancy, they have adult sex
hormones driving them, without the neurobiological maturity of an adult
bird. Add to this the barren environment, eye-impairing darkness and chronic
hunger, plus the fact that the broiler-breeder rooster’s body, legs and feet
are too big for the hens who are themselves abnormally heavy,
disproportioned and slow-moving, and have thin, easily torn skin and nowhere
to escape to, and you have predictably abnormal behavior. “Spent” broiler
breeder hens whom we’ve adopted into our sanctuary arrive in terrible
condition, with large patches of raw bare skin and ragged feathers. Even the
soft tuft of feathers that nature designed to hide and protect their ears is
missing, exposing the ear hole. This is something you simply don’t see in
young adult birds.
"Liquidation"
After 40 or so weeks of producing fertile eggs plagued by hunger, mutilations, toxic ammonia, fear, pain, stress and disease, broiler breeder chickens are “liquidated” and turned into human animal “food” and nonhuman animal “feed” and pet food products. (North and Bell, 404).
Please watch Video of “spent broiler breeder” hens and roosters in 1995 truck accident.
References
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