Wolves, Mares, and Foals
نویسندگان
چکیده
منابع مشابه
Equus caballus mares and foals
Aggression and social spacing were studied in 14 light horse mares and their foals living at pasture. Focal samples were collected on each mare–foal dyad for 6 to 10.5 h from 2 months of foal age until weaning at approximately 4 months of age. Observations on foals continued until approximately 6 months of age for 7.5 to 10.5 h per foal. Every 2 min the identities of all individuals within 5 m ...
متن کاملEndocrine profiles of periparturient mares and their foals.
The aim of this study was to characterize concentrations of leptin, IGF-I, and thyroid stimulating hormone (TSH) in the blood serum of mares pre-and postpartum, in the milk serum of mares postpartum, and in the blood serum of their foals. Nine pregnant Quarter Horse mares and their offspring were used in this study. Once weekly between 1000 and 1200 h for 2 wk before their predicted parturition...
متن کاملEffect of selenium supplementation and plane of nutrition on mares and their foals: foaling data.
To investigate the maternal plane of nutrition and role of Se yeast on foaling variables and passive transfer of IgG, 28 Quarter Horse mares were used in a study with a randomized complete block design. Mares were blocked by expected foaling date and assigned randomly within block to dietary treatments. Dietary treatments were arranged as a 2 x 2 factorial with 2 planes of nutrition, pasture or...
متن کاملInduction of Lactation and Adoption of Foals by Non-Parturient Mares
We have developed a treatment protocol for the successful induction of lactation in mares. This treatment consists of estrogen, progesterone, and sulpiride administration for 1 wk. Mares with induced lactation are able to adopt and nurse a foal to weaning age. Authors’ addresses: Equitechnic, Le Mesnil Vicomte, France (Daels); Physiology of Reproduction and Behavior, INRA, 37380 Nouzilly, Franc...
متن کاملThyroid Hormone Levels in Thoroughbred Mares and Their Foals at Parturition
A high percentage of Thoroughbred mares and their foals on two large farms in central Kentucky were found to have low thyroid hormone levels (lower than established levels) at the time of parturition, even though management on the farms near the time of foaling varied. A number of factors were identified that could have contributed to the low levels of thyroid hormones in these mares and foals,...
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ژورنال
عنوان ژورنال: Nature
سال: 1887
ISSN: 0028-0836,1476-4687
DOI: 10.1038/035297a0