Infrared thermographical differentiation of estrus and non-estrus stages of dairy animals
نویسندگان
چکیده
منابع مشابه
Ovarian function and estrus in dairy cows during early lactation.
The onset of ovarian function and occurrence of estms were monitored in two groups of Holstein cows over the first 90 days postpartum. Group 1 consisted of 36 animals housed in a free stall area and observed continuously for estrus with closed circuit television and a time lapse videorecorder. Group 2 consisted of 33 cows housed in tie stalls with estrus detected by the herdsmen. Blood samples ...
متن کاملChronic stress, hormone profiles and estrus intensity in dairy cattle.
The objectives of the present study were to determine if lameness, a model for a natural chronic stressor, affects hormone concentrations in milk prior to estrus and/or the subsequent expression of estrus in the postpartum period. Dairy cows>20 days postpartum were scored for lameness and observed for estrus intensity using a weighted scoring system (>100 points=estrus=Day 0). Increasing lamene...
متن کاملSeasonal Effects on Estrus Behaviours in Dairy Cattles
The present investigation was carried out to evaluate the effects of environmental factors on reproductive performance of bovine (Bos taurus) during summer, winter and spring for one year. The study was performed on free moving animals under natural condition during the two consecutive estrus periods by visual observation. The duration of estrus, numbers of mounts were observed. There was a sea...
متن کاملEstrus Synchronization in Crossbred Dairy Cows under Field Conditions
A study was conducted to assess the effect of estrus synchronization technique on fertility and estrus induction response in crossbred cows under field conditions. Totally 30 infertile cows (anoestrous 13 and repeat breeder 17) were selected and divided randomly into two groups having 15 cows each. Estrus synchronization protocol (Triu-B) was adopted in Group I and Group II cows were kept as co...
متن کاملInduction of estrus in non-lactating dairy goats with different estrous synchrony protocols.
The objective of this study was to evaluate two protocols of estrous synchronization in non-lactating Toggenburg goats. Nineteen goats were allocated, according to body condition score and weight, into two groups (A and B) and evaluated utilizing two treatments (T1 and T2). Animals in the T1 and T2 groups received an intravaginal sponge (day 0) containing 60 mg medroxyprogesterone acetate for 6...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: The Pharma Innovation
سال: 2021
ISSN: 2349-8242,2277-7695
DOI: 10.22271/tpi.2021.v10.i4sa.5953