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Author |
Eisgruber, H.; Stolle, F.A. |
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Title |
[Clostridia in carcasses and fresh meat--a literature review] |
Type |
Journal Article |
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Year |
1992 |
Publication |
Zentralblatt fur Veterinarmedizin. Reihe B. Journal of Veterinary Medicine. Series B |
Abbreviated Journal |
Zentralbl Veterinarmed B |
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Volume |
39 |
Issue |
10 |
Pages |
746-754 |
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Keywords |
Abattoirs; Animals; Cattle; Clostridium/*growth & development; *Food Microbiology; Horses; Meat/*microbiology; Muscles/*microbiology; Sheep; Swine |
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Abstract |
Clostridia are of large clinical importance as well as in the field of food hygiene, where they are responsible for spoilage but they also have a certain significance as food poisoning organisms. Information on the ecology of Clostridia in samples of deep muscle tissue of slaughtered animals is insufficient. This article is intended to increase the knowledge on the occurrence of different Clostridia species in slaughtered animals. The main emphasis is put on the significance of clostridia in meat hygiene. The theoretical basis of the so called original content of microorganisms (intrinsic bacteria), the factors and pathways of Clostridia spreading in muscles and organs are demonstrated. |
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Institut fur Hygiene und Technologie, Ludwig-Maximilians-Universitat Munchen |
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German |
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Original Title |
Clostridien in Schlachttierkorpern und frischem Fleisch--Eine Literaturubersicht |
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0514-7166 |
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PMID:1492516 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2668 |
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Author |
Clark, M.L.; Ayers, M. |
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Title |
Friendship similarity during early adolescence: gender and racial patterns |
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Journal Article |
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Year |
1992 |
Publication |
The Journal of Psychology |
Abbreviated Journal |
J Psychol |
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Volume |
126 |
Issue |
4 |
Pages |
393-405 |
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Keywords |
Achievement; Adolescent; African Americans/*psychology; *Cross-Cultural Comparison; Female; *Gender Identity; Humans; Individuality; *Interpersonal Relations; Male; *Personality Development; Personality Inventory; Sociometric Techniques |
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Abstract |
We studied the relationship of reciprocity, gender, and racial composition (Caucasian, African American, cross-race) of adolescent friendship dyads to similarity and proximity in 136 young adolescents. We found that adolescents selected friends who were of the same gender and race and that female dyads were more similar than male dyads on verbal achievement and several personality dimensions. Caucasian dyads were more similar than African American dyads on verbal achievement, mental alertness, and dominance. African American adolescents had more contact with their best friends outside school, whereas Caucasian adolescent friends had more in-school contact. African American students had fewer reciprocal relationships than the Caucasian students. Cross-race friendships were less reciprocal than same-race friendships. Race and gender were important in determining friendship patterns. Similarity and proximity were more important than reciprocity in understanding early adolescent friendships. |
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Department of Psychology, Virginia Commonwealth University |
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0022-3980 |
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PMID:1403972 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5628 |
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No authors listed |
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Title |
Workshop on the geographic spread of Aedes albopictus in Europe and the concern among public health authorities. Proceedings of a workshop held at the Istituto Superiore di Sanita, Rome, Italy, 19-20 December 1994 |
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Conference Article |
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Year |
1995 |
Publication |
Parassitologia |
Abbreviated Journal |
Parassitologia |
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Volume |
37 |
Issue |
2-3 |
Pages |
87-90 |
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Keywords |
*Aedes/growth & development/parasitology/virology; African horse sickness virus; Animals; Commerce; Dengue Virus; Dirofilaria; Disease Reservoirs; Ecology; Europe; Humans; *Insect Vectors/growth & development/parasitology/virology; Italy; *Mosquito Control/methods/organization & administration; Public Health; Rift Valley fever virus |
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0048-2951 |
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PMID:8778669 |
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no |
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Equine Behaviour @ team @ |
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2659 |
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Author |
Swanson, J.C. |
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Title |
Farm animal well-being and intensive production systems |
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Journal Article |
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Year |
1995 |
Publication |
Journal of Animal Science |
Abbreviated Journal |
J. Anim Sci. |
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Volume |
73 |
Issue |
9 |
Pages |
2744-2751 |
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Keywords |
Animal Husbandry/legislation & jurisprudence/*standards; Animal Rights/legislation & jurisprudence/standards; Animal Welfare/legislation & jurisprudence/*standards; Animals; Animals, Domestic/*growth & development/*physiology; Breeding/legislation & jurisprudence/*standards; Cattle; Chickens; Environment; Reproduction/physiology; Sheep; Swine |
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Abstract |
Animal welfare, or well-being, is a social issue with ethical, scientific, political, and aesthetic properties. Answering questions about the welfare of animals requires scientific definition, assessment, solutions, and public acceptance. With respect to the actual well-being of the animal, most issues are centered on how the animal “feels” when managed within a specific level of confinement, during special agricultural practices (e.g., tail docking, beak trimming, etc.) and handling. Questions of this nature may require exploration of animal cognition, motivation, perception, and emotional states in addition to more commonly recognized indicators of well-being. Several general approaches have emerged for solving problems concerning animal well-being in intensive production systems: environmental, genetic, and therapeutic. Environmental approaches involve modifying existing systems to accommodate specific welfare concerns or development of alternative systems. Genetic approaches involve changing the behavioral and (or) physiological nature of the animal to reduce or eliminate behaviors that are undesirable within intensive system. Therapeutic approaches of a physical (tail docking, beak trimming) and physiological (drug and nutritional therapy) nature bring both concern and promise with regard to the reduction of confinement stress. Finally, the recent focus on commodity quality assurance programs may indirectly provide benefits for animal well-being. Although research in the area of animal well-being will provide important information for better animal management, handling, care, and the physical design of intensive production systems there is still some uncertainty regarding public acceptance. The aesthetics of modern intensive production systems may have as much to do with public acceptance as with science. |
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Department of Animal Sciences and Industry, Kansas State University, Manhattan 66506, USA |
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0021-8812 |
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Notes |
PMID:8582867 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2752 |
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Author |
Bermudez, J.L. |
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Title |
The moral significance of birth |
Type |
Journal Article |
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Year |
1996 |
Publication |
Ethics |
Abbreviated Journal |
Ethics |
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Volume |
106 |
Issue |
2 |
Pages |
378-403 |
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Keywords |
Abortion, Induced; Animal Rights; Animals; Beginning of Human Life; Embryonic and Fetal Development; *Ethical Analysis; *Ethics; *Fetus; Homicide; Humans; *Individuality; *Infant, Newborn; Infant, Premature; Infanticide; *Labor, Obstetric; Life; *Personhood; Philosophy; Primates; Psychology; *Self Concept; *Value of Life; Analytical Approach; Genetics and Reproduction; Philosophical Approach |
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0014-1704 |
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Notes |
PMID:11656645; KIE: 31 fn.; KIE: KIE BoB Subject Heading: fetuses; KIE: KIE BoB Subject Heading: personhood |
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no |
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Equine Behaviour @ team @ |
Serial |
4177 |
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Permanent link to this record |
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Author |
Khalil, A.M.; Kaseda, Y. |
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Title |
Early experience affects developmental behaviour and timing of harem formation in Misaki horses |
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Journal Article |
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Year |
1998 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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Volume |
59 |
Issue |
4 |
Pages |
253-263 |
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Keywords |
Feral horse; Young male; Social behavior; Developmental stage |
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Abstract |
A study was made of the behavior of young male Misaki feral horses in the developmental stage, by observing nine of them once a week from January 1988 to December 1996. The relationship between behavior before separation and in the developmental stage was also investigated. This stage begins just after young males separate from their natal band or mothers, and it continues until they start to form harems. The duration of the developmental stage in the study ranged from 0.6 to 3.9 years, depending on the age of the young males at the time of separation. Young males associated with three types of social groups at the beginning of the developmental stage, according to their social groups before separation. These were bachelor groups, harem groups and wandering female groups. During this period, males joined the three groups, mixed sex groups and sometimes were solitary. It was considered that these associations provided a good opportunity for males to acquire different behavioral patterns and experiences before they entered the next stage. Depending on the groups with which they associated, young males that spent more time with bachelor groups had the longest average developmental stage. They associated with harem groups more often during the breeding season and more frequently with other groups or were solitary during the non-breeding season. This may be a transition period because by the end of this stage all males had spent time in solitude before forming their own harem bands. |
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no |
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Serial |
2021 |
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Author |
Meyer, W.; Pakur, M. |
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Title |
[Remarks on the domestic dog as an object of instruction for the education of the developing child] |
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Journal Article |
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Year |
1999 |
Publication |
Berliner und Munchener Tierarztliche Wochenschrift |
Abbreviated Journal |
Berl Munch Tierarztl Wochenschr |
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Volume |
112 |
Issue |
4 |
Pages |
131-138 |
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Keywords |
Animals; Animals, Domestic; *Bonding, Human-Pet; Character; Child; *Child Development; Child, Preschool; Cognition; *Dogs; Emotions; Empathy; Humans |
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Abstract |
Based on an intensive analysis of literature, the study summarizes problems involved in the significance of domesticated dogs as objects of instruction and assistants of the education of children. Several important topics are discussed in view of advances for children in families keeping dogs. Such topics are mainly related to a general socio-emotional level, the support of cognitive development and character formation. Further aspects are the acquisition of a sense of responsibility, and the development of self-confidence, a sense of social membership and security, as well as important attributes of character such as frankness, broad mindedness, and sympathetic understanding. Moreover, knowledge about the life cycle and functions of body organs can be conveyed, and the dog could, at least in part, substitute for brothers and sisters. Basically, positive attitudes towards animals in general, as well as nature and environment are supported. All topics are critically commented and considered to be realistic or not. The supporting role of parents, in particular, is emphasized. Parental commitment should include deep concern with the typical attributes of the dog breed desired, and optimal dog keeping conditions to prevent harm to the children. The final commentary lays special emphasis on negative features of domestication for a pet owner, and cautions against non-biological and illusionary ideas about domesticated animals. |
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Anatomisches Institut der Tierakztlichen Hochschule Hannover |
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German |
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Bemerkungen zum Haushund als Lehrobjekt und Erziehungshilfe fur das sich entwickelnde Kind |
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0005-9366 |
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Notes |
PMID:10337055 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4155 |
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Author |
Price, E.O. |
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Title |
Behavioral development in animals undergoing domestication |
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Journal Article |
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Year |
1999 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
App Anim Behav Sci |
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Volume |
65 |
Issue |
3 |
Pages |
245-271 |
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Keywords |
Domestication; Domestic animals; Captivity; Behavioral development; Feral; Reintroduction |
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Abstract |
The process of domestication involves adaptation, usually to a captive environment. Domestication is attained by some combination of genetic changes occurring over generations and developmental mechanisms (e.g., physical maturation, learning) triggered by recurring environmental events or management practices in captivity that influence specific biological traits. The transition from free-living to captive status is often accompanied by changes in availability and/or accessibility of shelter, space, food and water, and by changes in predation and the social environment. These changes set the stage for the development of the domestic phenotype. Behavioral development in animals undergoing domestication is characterized by changes in the quantitative rather than qualitative nature of responses. The hypothesized loss of certain behavior patterns under domestication can usually be explained by the heightening of response thresholds. Increases in response frequency accompanying domestication can often be explained by atypical rates of exposure to certain forms of perceptual and locomotor stimulation. Genetic changes influencing the development of the domestic phenotype result from inbreeding, genetic drift, artificial selection, natural selection in captivity, and relaxed selection. Experiential contributions to the domestic phenotype include the presence or absence of key stimuli, changes in intraspecific aggressive interactions and interactions with humans. Man's role as a buffer between the animal and its environment is also believed to have an important effect on the development of the domestic phenotype. The domestication process has frequently reduced the sensitivity of animals to changes in their environment, perhaps the single-most important change accompanying domestication. It has also resulted in modified rates of behavioral and physical development. Interest in breeding animals in captivity for release in nature has flourished in recent decades. The capacity of domestic animals to survive and reproduce in nature may depend on the extent to which the gene pool of the population has been altered during the domestication process and flexibility in behavioral development. “Natural” gene pools should be protected when breeding wild animals in captivity for the purpose of reestablishing free-living natural populations. In some cases, captive-reared animals must be conditioned to live in nature prior to their release. |
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0168-1591 |
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Equine Behaviour @ team @ |
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5663 |
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Author |
Fischer, J.; Cheney, D.L.; Seyfarth, R.M. |
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Title |
Development of infant baboons' responses to graded bark variants |
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Journal Article |
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Year |
2000 |
Publication |
Proceedings. Biological sciences / The Royal Society |
Abbreviated Journal |
Proc Biol Sci |
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Volume |
267 |
Issue |
1459 |
Pages |
2317-2321 |
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*Animal Communication; Animals; Behavior, Animal; Female; Male; Models, Psychological; Papio/growth & development/*physiology; *Vocalization, Animal |
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Abstract |
We studied the development of infant baboons' (Papio cynocephalus ursinus) responses to conspecific 'barks' in a free-ranging population in the Okavango Delta, Botswana. These barks grade from tonal, harmonically rich calls into calls with a more noisy, harsh structure. Typically, tonal variants are given when the signaller is at risk of losing contact with the group or a particular individual ('contact barks'), whereas harsh variants are given in response to predators ('alarm barks'). We conducted focal observations and playback experiments in which we presented variants of barks recorded from resident adult females. By six months of age, infants reliably discriminated between typical alarm and contact barks and they responded more strongly to intermediate alarm calls than to typical contact barks. Infants of six months and older also recognized their mothers by voice. The ability to discriminate between different call variants developed with increasing age. At two and a half months of age, infants failed to respond at all, whereas at four months they responded irrespective of the call type that was presented. At six months, infants showed adult-like responses by responding strongly to alarm barks but ignoring contact barks. We concluded that infants gradually learn to attach the appropriate meaning to alarm and contact barks. |
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Department of Psychology, University of Pennsylvania, 3815 Walnut Street, Philadelphia, PA 19104, USA. fischerj@eva.mpg.de |
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0962-8452 |
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PMID:11413649 |
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refbase @ user @ |
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694 |
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Author |
Clutton-Brock, T.H.; Russell, A.F.; Sharpe, L.L.; Brotherton, P.N.; McIlrath, G.M.; White, S.; Cameron, E.Z. |
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Title |
Effects of helpers on juvenile development and survival in meerkats |
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Journal Article |
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Year |
2001 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
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Volume |
293 |
Issue |
5539 |
Pages |
2446-2449 |
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Animals; Breeding; Carnivora/growth & development/*physiology; *Cooperative Behavior; Feeding Behavior; Female; Male; Survival Rate; *Weight Gain |
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Although breeding success is known to increase with group size in several cooperative mammals, the mechanisms underlying these relationships are uncertain. We show that in wild groups of cooperative meerkats, Suricata suricatta, reductions in the ratio of helpers to pups depress the daily weight gain and growth of pups and the daily weight gain of helpers. Increases in the daily weight gain of pups are associated with heavier weights at independence and at 1 year of age, as well as with improved foraging success as juveniles and higher survival rates through the first year of life. These results suggest that the effects of helpers on the fitness of pups extend beyond weaning and that helpers may gain direct as well as indirect benefits by feeding pups. |
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Department of Zoology, University of Cambridge, Downing Street, Cambridge CB2 3EJ, UK. thcb@hermes.cam.ac.uk |
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0036-8075 |
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PMID:11577235 |
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refbase @ user @ |
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414 |
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