Γεωργικό Πανεπιστήμιο Αθηνών
ΗΛΙΚΙΑ ΤΗΣ ΗΒΗΣ ΚΑΙ ΧΑΡΑΚΤΗΡΙΣΤΙΚΑ ΤΗΣ ΠΡΩΤΗΣ ΟΙΣΤΡΙΚΗΣ ΠΕΡΙΟΔΟΥ ΑΜΝΑΔΩΝ ΤΩΝ ΦΥΛΩΝ ΧΙΟΥ ΚΑΙ ΚΑΡΑΓΚΟΥΝΙΚΗΣ ΣΕ ΣΧΕΣΗ ΜΕ ΤΟ ΕΠΙΠΕΔΟ ΔΙΑΤΡΟΦΗΣ
Abstract
dc:descriptionSTUDY OF THE INFLUENCE OF THE FEEDING LEVEL ON THE CHARACTERISTICS OF PUBERTY AND THE FIRST BREEDING SEASON IN TWO GREEK SHEEP BREEDS, THOSE OF CHIOS AND KARAGOUNIKI. A TOTAL OF EIGHTY FEMALE LAMBS WERE USED, WHICH HAVE BEEN BORN IN TWO CONSECUTIVE EXPERIMENTAL YEARS, 1984 AND 1985. THE EWE LAMBS OF EACH YEAR WERE ASSIGNED TO TWO GROUPS, WHICH GREW ON DIFFERENT FEEDING REGIMES. DURING THE GROWTH PERIOD, THE LEVELS OF INSULIN, THYROXIN (T4) AND TRIIDOTHYRONIN (T3) IN THEBLOOD SERUM WERE MEASURED. OESTRUS WAS DETECTED DAILY BY TEASER RAMS AND THE OVARIAN ACTIVITY WAS MONITORED BY PROGESTERONE CONCENTRATION IN BLOOD SAMPLES COLLECTED TWICE WEEKLY. PROGESTERONE AND OESTRADIOL PROFILES AROUND SECOND PUBERTAL OVULATION WERE ALSO DETERMINED BY DAILY BLOOD SAMPLING AND OVULATION RATE WAS ASSESSED BY LAPAROSCOPY AT FOUR DEFINED OESTRUS CYCLES. ALL THE EWES LAMBS OFBOTH EXPERIMENTAL YEARS WERE BRED AT THE SECOND EXPERIMENTAL YEAR
Degree
thesis:*- Grantor dc:publisher
- Γεωργικό Πανεπιστήμιο Αθηνών
- Year dc:date
- 1989
Author and committee
dc:creator, dc:contributor.*- Author dc:creator
-
- Μπιζέλης, Ιωσήφ
Subjects
dc:subject × 18Rights
- Language dc:language
- gre
Identifiers
dc:identifier.*- Identifier
- 10.12681/eadd/1218
- OAI identifier oai:identifier
- oai:10442/1218