Stage of goose embryo development at oviposition depending on genotype, flock age, and period of laying

Łukaszewicz, Ewa; Lasoń, Martyna; Kowalczyk, Artur; Rosenberger, Joanna; Andres, Krzysztof; Bakst, M. R.

doi:10.3382/ps/pez225

Cited by 3 publications

(2 citation statements)

References 22 publications

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“…As scientists point out, the quality of hatched goslings depends on many factors, including the age of the parent flock. Geese are characterized by a low level of laying, as well as hatchability and high embryo mortality ( Łukaszewicz et al, 2019 ). The further growth of the birds depends on the quality of the hatched goslings, which affects the quality of the obtained raw material ( Damaziak et al, 2021 ).…”

Section: Introductionmentioning

confidence: 99%

Effect of parent flock age on hatching, growth rate, and features of both sexes goose carcasses

2022

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Section: Introductionmentioning

confidence: 99%

Effect of parent flock age on hatching, growth rate, and features of both sexes goose carcasses

2022

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“…We studied hissing in a domesticated bird bred for meat production, but geese are known to retain many attributes of their wild counterparts (Kozak, 2019;Łukaszewicz et al 2019). Furthermore, hissing is common in many anserine birds (del Hoyo et al 1994).…”

Section: Discussionmentioning

confidence: 99%

Hissing of geese: caller identity encoded in a non-vocal acoustic signal

Policht

Kowalczyk

Łukaszewicz

et al. 2020

PeerJ

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Non-vocal, or unvoiced, signals surprisingly have received very little attention until recently especially when compared to other acoustic signals. Some sounds made by terrestrial vertebrates are produced not only by the larynx but also by the syrinx. Furthermore, some birds are known to produce several types of non-syrinx sounds. Besides mechanical sounds produced by feathers, bills and/or wings, sounds can be also produced by constriction, anywhere along the pathway from the lungs to the lips or nostrils (in mammals), or to the bill (in birds), resulting in turbulent, aerodynamic sounds. These noises often emulate whispering, snorting or hissing. Even though hissing sounds have been studied in mammals and reptiles, only a few studies have analyzed hissing sounds in birds. Presently, only the hissing of small, nesting passerines as a defense against their respective predators have been studied. We studied hissing in domestic goose. This bird represents a ground nesting non-passerine bird which frequently produces hissing out of the nest in comparison to passerines producing hissing during nesting in holes e.g., parids. Compared to vocally produced alarm calls, almost nothing is known about how non-vocal hissing sounds potentially encode information about a caller’s identity. Therefore, we aimed to test whether non-vocal air expirations can encode an individual’s identity similar to those sounds generated by the syrinx or the larynx. We analyzed 217 hissing sounds from 22 individual geese. We calculated the Potential for Individual Coding (PIC) comparing the coefficient of variation both within and among individuals. In addition, we conducted a series of 15 a stepwise discriminant function analysis (DFA) models. All 16 acoustic variables showed a higher coefficient of variation among individuals. Twelve DFA models revealed 51.2–54.4% classification result (cross-validated output) and all 15 models showed 60.8–68.2% classification output based on conventional DFA in comparison to a 4.5% success rate when classification by chance. This indicates the stability of the DFA results even when using different combinations of variables. Our findings showed that an individual’s identity could be encoded with respect to the energy distribution at the beginning of a signal and the lowest frequencies. Body weight did not influence an individual’s sound expression. Recognition of hissing mates in dangerous situations could increase the probability of their surviving via a more efficient anti-predator response.

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The typical developmental trajectory and energy requirements of Shitou goose during the embryonic stage

Lin,

Liu,

Shen

et al. 2024

Poultry Science

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Stage of goose embryo development at oviposition depending on genotype, flock age, and period of laying

Cited by 3 publications

References 22 publications

Effect of parent flock age on hatching, growth rate, and features of both sexes goose carcasses

Effect of parent flock age on hatching, growth rate, and features of both sexes goose carcasses

Hissing of geese: caller identity encoded in a non-vocal acoustic signal

The typical developmental trajectory and energy requirements of Shitou goose during the embryonic stage

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