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FIG. 1 in When did roosters start singing at Arslantepe? A preliminary assessment of the presence and spread of Gallus gallus (Linnaeus, 1758) in Iron Age Eastern Anatolia

FIG. 1. — Map of Anatolia and the Levant with the main sites mentioned in the text (modified data courtesy of National Centers for Environmental Infor- mation – ETOPO1, Natural Earth and Geo Network opensource. https://doi. org/10.7289/V5C8276M).

FIG. 4 in When did roosters start singing at Arslantepe? A preliminary assessment of the presence and spread of Gallus gallus (Linnaeus, 1758) in Iron Age Eastern Anatolia

FIG. 4. — Arslantepe, tarsometatarsi (left and right) of rooster from level IIIB. Photo credits: R. Ceccacci, ©MAIAO. Scale bar: 3 cm.

Fig. 1 in Chewing Lice (Order Mallophaga, Suborders Amblycera And Ichnocera) Fauna Of Domestic Chicken (Gallus Gallus Domesticus) In Ukraine

Fig. 1. Menopon gallinae: ♀: 1 — forehead; 2 — temporal lobe; 3 — antenna; 4 — eyes; 5 — abdomen (×400); ♂: 1 — forehead; 2 — temporal lobe; 3 — antenna; 4 — foot; 5 — bristles; 6 — abdomen posterior (×300).

Fig. 4 in Chewing Lice (Order Mallophaga, Suborders Amblycera And Ichnocera) Fauna Of Domestic Chicken (Gallus Gallus Domesticus) In Ukraine

Fig. 4. Morphology of Goniocotes hologaster: ♀: 1 — forehead; 2 — eyes; 3 — bristles on head; 4 — the rear of the abdomen (×300); ♂: 1 — head; 2 — temporal edges; 3 — overall oval body; 4 — the last segment of the abdomen blade-shaped (×250).

Fig. 3 in Chewing Lice (Order Mallophaga, Suborders Amblycera And Ichnocera) Fauna Of Domestic Chicken (Gallus Gallus Domesticus) In Ukraine

Fig. 3. Morphology of Menacanthus cornutus: ♀: 1 — forehead; 2 — temporal lobe; 3 — sternal plate; 4 — crop; 5 — posterior part of the abdomen with bristles; ♂: 2 — eye; 3 — prothorax with foots; 4 — mesothorax; 5 — metathorax; 6 — abdomenal bristles; 7 — oval shape of the rear of the abdomen; 8 — ejaculatory ducts (×400).

Fig. 2 in Chewing Lice (Order Mallophaga, Suborders Amblycera And Ichnocera) Fauna Of Domestic Chicken (Gallus Gallus Domesticus) In Ukraine

Fig. 2. Morphology Menacanthus stramineus: ♀: 1 — forehead; 2 — temporal lobe; 3 — prothorax; 4 — mesothorax; 5 — metathorax; 6 — tarse; 7 — crop; 8 — the egg chamber; ♂: 1 — prothorax foot; 2 — foot mesothorax; 3 — foot metathorax; 4 — testes; 5 — crop (×400).

opencc-by-4.0Jun 2009View details →

Fig. 2. Recent chicken Gallus domesticus Linnaeus, 1758 RAM R1 in Head and neck posture in sauropod dinosaurs inferred from extant animals

Fig. 2. Recent chicken Gallus domesticus Linnaeus, 1758 RAM R1 in right lateral view, illustrating maximally extended pose (A) and ONP (B): last four cervical and first four dorsal vertebrae. Note the strong ventral deflection of the base of the neck in ONP, contrasting with the very strong dorsal deflection illustrated in a live chicken by Vidal et al. (1986: fig. 7).

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FIG. 3 in When did roosters start singing at Arslantepe? A preliminary assessment of the presence and spread of Gallus gallus (Linnaeus, 1758) in Iron Age Eastern Anatolia

FIG. 3. — Arslantepe, level IIIB. Credits: G. Liberotti, © MAIAO.

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FIG. 2 in When did roosters start singing at Arslantepe? A preliminary assessment of the presence and spread of Gallus gallus (Linnaeus, 1758) in Iron Age Eastern Anatolia

FIG. 2. — Arslantepe, the Iron Age monumental sequence. Photo credits: R. Ceccacci, ©MAIAO.

opencc-by-4.0Oct 2019View details →

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Data for: Whole genome phylogeny of Gallus: Introgression and data-type effects

Multiple sequence alignments and gene trees from the manuscript "Whole genome phylogeny of Gallus: Introgression and data-type effects." The zip file contains a single folder with a README file that provides details the contents and formats of the files that are included.

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Open source physiological data and physiological-based kinetic model code for the chicken (Gallus gallus domesticus)

This excel file and mode code (DOI:10.5281/zenodo.3603114) provides: 1. Physiological parameters and associated inter-individual variability (sample size, mean, coefficient of variation,) for chicken (Gallus gallus domesticus). These physiological parameters were estimated based on the results of extensive literature searches and specific experimental data described in Lautz et al., (2020). 2. An R code for the generic chicken physiologically based model as well as the “soboljansen” code to carry out sensitivity analysis using sobol plots. The code for the generic model allows to run: a. A deterministic PBK model which represents only a single animal. b. A probabilistic PBK model to simulate individual differences in physiological parameters within a population. Sensitivity analyses can be performed to identify which parameters have the most impact on the model’s outputs. Predictions can be compared with experimental data. The model can be used to assess the influence of physiological parameters on the kinetics of chemicals. For PBK modelling purposes, species and chemical specific kinetics (e.g clearance, absorption rate, etc…) should be provided by the user. The full data collection and implementation of the models using case studies are described in (Lautz et al., 2020). The dataset providing the physiological parameters is available in Excel. The R code is presented as meta data to be implemented in R.

opencc-by-4.0Jan 2020View details →

opencc-zeroOct 2020View details →

Data from: Temporal dynamics of competitive fertilization in social groups of red junglefowl (Gallus gallus) shed new light on avian sperm competition

Studies of birds have made a fundamental contribution to elucidating sperm competition processes, experimentally demonstrating the role of individual mechanisms in competitive fertilisation. However, the relative importance of these mechanisms and the way in which they interact under natural conditions remain largely unexplored. Here, we conduct a detailed behavioural study of freely-mating replicate groups of red junglefowl, Gallus gallus, to predict the probability that competing males fertilise individual eggs over the course of 10-day trials. Remating frequently with a female and mating last increased a male's probability of fertilisation, but only for eggs ovulated in the last days of a trial. Conversely, older males, and those mating with more polyandrous females, had consistently lower fertilisation success. Similarly, resistance to a male's mating attempts, particularly by younger females, reduced fertilisation probability. After considering these factors, male social status, partner relatedness and the estimated state of a male extragonadal sperm reserves did not predict sperm competition outcomes. These results shed new light on sperm competition dynamics in taxa such as birds, with prolonged female sperm storage and staggered fertilisations.

opencc-zeroSep 2019View details →

Data from: Dynamic phenotypic correlates of social status and mating effort in male and female red junglefowl, Gallus gallus

Despite widespread evidence that mating and intra-sexual competition are costly, relatively little is known about how these costs dynamically change male and female phenotypes. Here, we test multiple hypotheses addressing this question in replicate flocks of red junglefowl (Gallus gallus). First, we test the inter-relationships between social status, comb size (a fleshy ornament) and body mass at the onset of a mating trial. While comb size covaried positively with body mass across individuals of both sexes, comb size was positively related to social status in females but not in males. Second, we test for changes within individuals in body mass and comb size throughout the mating trial. Both body mass and comb size declined at the end of a trial in both sexes, suggesting that mating effort and exposure to the opposite sex are generally costly. Males lost more body mass if they: i) were socially subordinate, ii) were chased by other males, or iii) mated frequently, indicating that subordinate status and mating are independently costly. Conversely, females lost more body mass if they were exposed to a higher frequency of coerced matings, suggesting costs associated with male sexual harassment and female resistance, although costs of mating per se could not be completely ruled out. Neither competitive nor mating interactions predicted comb size change in either sex. Collectively, these results support the notion that sex-specific costs associated with social status and mating effort result in differential, sex-specific dynamics of phenotypic change.

publicOct 2020View details →

Data from: Temporal dynamics of competitive fertilization in social groups of red junglefowl (Gallus gallus) shed new light on avian sperm competition

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publicDec 2019View details →

Data from: Uninhibited chickens: ranging behavior impacts motor self-regulation in free-range broiler chickens (Gallus gallus domesticus)

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