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The strength of mare-foal bonding can be measured through quantification of behaviors such as the frequency and duration of nursing bouts, mutual grooming, elements of normal maternal aggression and the prevalence of activities maintaining the proximity between mare and foal. Most of foalings take place at night. Shortly after parturition olfaction and taste, coupled with the hormonal and physical events, result in the identification of the foal by its dam. The mare’s attachment to her neonate is formed within the first few hours after delivery, while the formation of a bond linking the foal to its dam takes place after a few days. Mares often help their newborns to find the udder; however, they usually terminate nursing bouts, which confirm the parent-offspring conflict theory. Horses have been classified as “followers”; in the first days after foaling the dam teaches her neonate the following response by rejection behavior. Changes in mare’s behavior significantly affect the form and frequency of social interaction between the dam and the other members of a group. Moderate aggression directed towards her own foal, other horses and humans is a part of normal maternal behavior.
Eighteen purebred Arabian mares and six Anglo-Arabian mares were observed during first 4 h after foaling in one of the leading Polish stud farms in two foaling seasons. The aim of the research was to analyse the behaviour of mares and the condition of foals after parturition. Specific behavioural responses like licking, nuzzling, and touching a foal were identified as interactive activities supporting the process of creating the bond between the mare and the foal. The maternal behaviours started immediately after parturition and reached the biggest frequency in the first hour after foaling. The time spent by the mares on standing, resting, and eating has also been measured. The results of observations were compared in reference to mares' breeds and statuses. Aggressive maternal behaviour, both normal and abnormal (perceived as aberration) was noticed. Foal's condition after parturition was assessed on the basis of the first standing up, colostrum nursing, and meconium passing. On average, the foals made attempts to stand up in the 21st min after birth, and the first self-reliant getting up occurred in the 85th min. The share of time spent by the foals in the upright position increased with even hour. Furthermore, the time of the first colostrum nursing was associated with the first standing up. The duration of gestation influenced foals' colostrum nursing and meconium passing.
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