Rearing & Weaning

Includes maternal care and lactation.

Vargas, L. B., Caldara, F. R., Lippi, I. C. de C. et al. 2023. Environmental enrichment strategies for weaned pigs: Welfare and behavior. Journal of Applied Animal Welfare Science 26(2), 205–217.

This research aims to evaluate the effects of different types and strategies of environmental enrichment for weaned pigs on behavior. Forty weaned piglets aged 21 to 28 days were distributed in a completely randomized design...

Silva-Almeida, C., Muniz, S. C. A., Jobim, C. M. N. et al. 2024. Perinatal environmental enrichment changes anxiety-like behaviours in mice and produces similar intergenerational benefits in offspring. Behavioural Brain Research 456, 114700.

Environmental enrichment implemented in early life is able to induce long-term changes in gene expression, synaptic function and behavioural responses. In this study, we evaluated the adult behavioural effects of perinatal environment enrichment in male...

Sánchez-Salcedo, J. A., Yáñez-Pizaña, A. 2024. Effects of free farrowing system on the productive performance and welfare of sows and piglets. Journal of Applied Animal Welfare Science 27(1), 1–11.

Regardless of international animal welfare regulations, most sows in production currently spend most of their lives and the peripartum period in caged housing systems. Although this type of management is intended to reduce neonatal mortality...

Harauma, A., Murai, M., Nakamura, I. et al. 2023. Anxiety-like behaviors in artificially reared mice is reduced by contact with foster mothers. Physiology & Behavior 260, 114052.

Experimental systems using animal models are important for nutritional and pharmacological research on newborns and infants. Accordingly, artificial nursing systems for rodents based exclusively on formula are critical to studying nutrient requirements, chemical safety, and...

Haertel, A. J., Beisner, B. A., Buehler, M. S. et al. 2023. The impact of housing on birth outcomes in breeding macaque groups across multiple research centers. American Journal of Primatology 85(11), e23554.

Demand for nonhuman primates in research has increased over the past several years, while nonhuman primate supply remains a challenge in the United States. Global nonhuman primate supply issues make it increasingly important to maximize...

González-de-la-Vara, M., De Anda, F., Romano, M. C. 2023. Dead newborn calf affects behavior, cortisol, milk production, and reproductive performance in primiparous dairy cows. Journal of Veterinary Behavior 66, 20–28.

Little is known about the long-term effects of stillbirth on dairy cows. This study compared the behavior, serum and hair cortisol concentrations, production and quality of milk, and reproductive performance in primiparous dairy cows that...

Calisir, M., Yilmaz, O., Kolatan, H. E. et al. 2023. Effects of litter size and caging on physical and mental development in rats. Physiology & Behavior 267, 114200.

As a multidisciplinary field, laboratory animal science promotes or accelerates the emergence of innovative ideas and products. As research has increased, so has the demand for laboratory animals with reliable, standardized characteristics. Thus, the breeding...

Baqueiro-Espinosa, U., Donnelly, P., McEvoy, V. et al. 2024. The links between positive human interaction and maternal behaviour and welfare of commercial breeding dams (Canis familiaris). Applied Animal Behaviour Science 270, 106147.

In dogs, maternal behaviour plays an essential role in offspring survival and can influence the development and behaviour of the neonate later in life. We investigated the effect of prepartum enrichment on maternal behaviour and...

van Leeuwen, E. J. C., Mulenga, I. C., Chidester, D. L. 2014. Early social deprivation negatively affects social skill acquisition in chimpanzees (Pan troglodytes). Animal Cognition 17(2), 407–414.

In a highly social species like chimpanzees, the process by which individuals become attuned to their social environment may be of vital importance to their chances of survival. Typically, this socialization process, defined by all...

Ospina Rios, S. L., Lee, C., Andrewartha, S. J. et al. 2023. A pilot study on the feasibility of an extended suckling system for pasture-based dairies. Animals 13(16), 2571.

This study investigated cow-calf productivity in a 10-week, pasture-based, extended suckling system featuring part-time cow-calf contact and once-a-day milking. A total of 30 dairy cows and their calves were assigned to two treatments: (1) cow...

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