{"id":{"repo_id":"greece","oai_identifier":"oai:10442/0538"},"canonical_url":"https://search.dev.ndltd.org/etd/greece/oai:10442/0538","repository":{"repo_id":"greece","name":"Greek National Archive of PhD Theses","base_url":"https://phdtheses.ekt.gr/eadd_oai/request"},"display":{"title":"Η ΛΕΙΤΟΥΡΓΙΚΗ ΕΞΕΛΙΞΗ ΤΟΥ ΓΕΝΝΗΤΙΚΟΥ ΣΥΣΤΗΜΑΤΟΣ ΣΤΟΥΣ ΑΜΝΟΥΣ ΤΩΝ ΦΥΛΩΝ ΧΙΟΥ, ΣΕΡΡΩΝ ΚΑΙ ΚΑΡΑΓΚΟΥΝΙΚΗΣ ΜΕΧΡΙ ΤΗ ΧΡΗΣΙΜΟΠΟΙΗΣΗ ΤΟΥΣ ΓΙΑ ΑΝΑ...","abstract":"THE FUNCTIONAL DEVELOPMENT OF THE REPRODUCTIVE SYSTEM WAS STUDIED IN 60 RAM LAMBS OF THE CHIOS, SERRES AND KARAGOUNIKI BREEDS FROM BIRTH TO SEXUAL MATURITY. ACCORDING TO THE RESULTS OF THIS STUDY, THE ACCESSORY GLANDS BEGIN THEIR FUNCTION WELL BEFORE THE ONSET OF SPERMATOGENESIS THAT IS OCCURED AT THE AGE OF 14-15 WEEKS. THE FIRST SPERMATOZOA APPEAR IN THE EJACULATE OF LAMBS AT THE AGE OF 20-21 WEEKS AND WHEN A BODY WEIGHT OF APPROXIMATELY 35 KGS HAS BEEN ATTAINED. THE ENDOCRINE FUNCTION OF THE TESTS INCREASES AT A SLOW RATE, FROM BIRTH TO THE AGEOF 32 WEEKS; FROM THEN ONWARDS THE RATE OF INCREASE IS ACCELERATED CONSIDERABLY UNTIL THE AGE OF 48 WEEKS. THE QUALITY OF SEMEN AT THE AGE OF 20 WEEKS IS NOTSATISFACTORY, BUT IMPROVES RAPIDLY IN THE COURSE OF THE ENSUING 2-3 MONTHS. RAM LAMBS BEGIN TO MANIFEST THEIR INTEREST IN THE FEMALES IN ESTRUS AT THE AGE OF12-16 WEEKS; THEIR COPULATORY CAPACITY WAS IMPROVING, AS THE NUMBER OF SEXUAL MEETINGS WAS INCREASED, AND THE ADHESIONS OF THE PENIS TO THE PREPUCE WERE RESOLVED. LAMBS AQUIRE THEIR FULL COPULATORY ABILITY AT THE AGE OF 28-32 WEEKS. IT IS CONCLUDED THAT THE AGE AT WHICH LAMBS MAY BE USED AS SEMEN DONORS IN A.I. ORFOR NATURAL SERVICE IS 32, 36 AND 34 MONTHS, FOR THE CHIOS, SERRES AND KARAGOUNIKI BREEDS, RESPECTIVELY.","abstract_html":"THE FUNCTIONAL DEVELOPMENT OF THE REPRODUCTIVE SYSTEM WAS STUDIED IN 60 RAM LAMBS OF THE CHIOS, SERRES AND KARAGOUNIKI BREEDS FROM BIRTH TO SEXUAL MATURITY. ACCORDING TO THE RESULTS OF THIS STUDY, THE ACCESSORY GLANDS BEGIN THEIR FUNCTION WELL BEFORE THE ONSET OF SPERMATOGENESIS THAT IS OCCURED AT THE AGE OF 14-15 WEEKS. THE FIRST SPERMATOZOA APPEAR IN THE EJACULATE OF LAMBS AT THE AGE OF 20-21 WEEKS AND WHEN A BODY WEIGHT OF APPROXIMATELY 35 KGS HAS BEEN ATTAINED. THE ENDOCRINE FUNCTION OF THE TESTS INCREASES AT A SLOW RATE, FROM BIRTH TO THE AGEOF 32 WEEKS; FROM THEN ONWARDS THE RATE OF INCREASE IS ACCELERATED CONSIDERABLY UNTIL THE AGE OF 48 WEEKS. THE QUALITY OF SEMEN AT THE AGE OF 20 WEEKS IS NOTSATISFACTORY, BUT IMPROVES RAPIDLY IN THE COURSE OF THE ENSUING 2-3 MONTHS. RAM LAMBS BEGIN TO MANIFEST THEIR INTEREST IN THE FEMALES IN ESTRUS AT THE AGE OF12-16 WEEKS; THEIR COPULATORY CAPACITY WAS IMPROVING, AS THE NUMBER OF SEXUAL MEETINGS WAS INCREASED, AND THE ADHESIONS OF THE PENIS TO THE PREPUCE WERE RESOLVED. LAMBS AQUIRE THEIR FULL COPULATORY ABILITY AT THE AGE OF 28-32 WEEKS. IT IS CONCLUDED THAT THE AGE AT WHICH LAMBS MAY BE USED AS SEMEN DONORS IN A.I. ORFOR NATURAL SERVICE IS 32, 36 AND 34 MONTHS, FOR THE CHIOS, SERRES AND KARAGOUNIKI BREEDS, RESPECTIVELY.","abstract_has_math":false,"creators":["Αλεξόπουλος, Κωνσταντίνος"],"institution":"Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ)","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1987,"date_issued":"1987","date_published":"1987","updated_at":"2026-07-24T02:25:17Z","subjects":["DEVELOPMENT OF SEXUAL BEHAVIOUR","DIAMETER OF SEMINAL TUBULES IN LAMBS","FUNCTION OF ACCESSORY GLANDS IN LAMBS","LDH IN RAM LAMBS EJACULATES","ONSET OF SPERMATOGENESIS","POBERTY IN RAM LAMBS","ΕΝΑΡΞΗ ΣΠΕΡΜΑΤΟΓΕΝΕΣΗΣ ΣΕ ΑΜΝΟΥΣ","ΕΝΔΟΚΡΙΝΗΣ ΛΕΙΤΟΥΡΓΙΑ ΤΩΝ ΟΡΧΕΩΝ","Η ΕΝΗΒΩΣΗ ΤΩΝ ΑΜΝΩΝ","Η ΛΥΣΗ ΤΩΝ ΣΥΜΦΥΣΕΩΝ ΤΟΥ ΠΕΟΥΣ","ΛΕΙΤΟΥΡΓΙΑ ΤΩΝ ΕΠΙΚΟΥΡΙΚΩΝ ΓΕΝΝΗΤΙΚΩΝ ΑΔΕΝΩΝ","ΜΙΚΡΟΣΚΟΠΙΚΑΧΑΡΑΚΤΗΡΙΣΤΙΚΑ ΤΟΥ ΣΠΕΡΜΑΤΟΣ","ΣΕΞΟΥΑΛΙΚΗ ΣΥΜΠΕΡΙΦΟΡΑ ΑΜΝΩΝ","Γεωπονικές Επιστήμες και Κτηνιατρική","Agricultural and Veterinary Sciences","Κτηνιατρική","Veterinary Science"],"languages":["gre"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/0538"],"render_values":[{"text":"10.12681/eadd/0538","href":"https://doi.org/10.12681/eadd/0538","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10442/hedi/0538","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Αλεξόπουλος, Κωνσταντίνος"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1987"]},{"key":"dc:publisher","label":"Institution","values":["Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ)","Aristotle University Of Thessaloniki (AUTH)"]},{"key":"dc:type","label":"Dc Type","values":["PhD Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["DEVELOPMENT OF SEXUAL BEHAVIOUR","DIAMETER OF SEMINAL TUBULES IN LAMBS","FUNCTION OF ACCESSORY GLANDS IN LAMBS","LDH IN RAM LAMBS EJACULATES","ONSET OF SPERMATOGENESIS","POBERTY IN RAM LAMBS","ΕΝΑΡΞΗ ΣΠΕΡΜΑΤΟΓΕΝΕΣΗΣ ΣΕ ΑΜΝΟΥΣ","ΕΝΔΟΚΡΙΝΗΣ ΛΕΙΤΟΥΡΓΙΑ ΤΩΝ ΟΡΧΕΩΝ","Η ΕΝΗΒΩΣΗ ΤΩΝ ΑΜΝΩΝ","Η ΛΥΣΗ ΤΩΝ ΣΥΜΦΥΣΕΩΝ ΤΟΥ ΠΕΟΥΣ","ΛΕΙΤΟΥΡΓΙΑ ΤΩΝ ΕΠΙΚΟΥΡΙΚΩΝ ΓΕΝΝΗΤΙΚΩΝ ΑΔΕΝΩΝ","ΜΙΚΡΟΣΚΟΠΙΚΑΧΑΡΑΚΤΗΡΙΣΤΙΚΑ ΤΟΥ ΣΠΕΡΜΑΤΟΣ","ΣΕΞΟΥΑΛΙΚΗ ΣΥΜΠΕΡΙΦΟΡΑ ΑΜΝΩΝ","Γεωπονικές Επιστήμες και Κτηνιατρική","Agricultural and Veterinary Sciences","Κτηνιατρική","Veterinary Science"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["gre"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/0538","http://hdl.handle.net/10442/hedi/0538"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["THE FUNCTIONAL DEVELOPMENT OF THE REPRODUCTIVE SYSTEM WAS STUDIED IN 60 RAM LAMBS OF THE CHIOS, SERRES AND KARAGOUNIKI BREEDS FROM BIRTH TO SEXUAL MATURITY. ACCORDING TO THE RESULTS OF THIS STUDY, THE ACCESSORY GLANDS BEGIN THEIR FUNCTION WELL BEFORE THE ONSET OF SPERMATOGENESIS THAT IS OCCURED AT THE AGE OF 14-15 WEEKS. THE FIRST SPERMATOZOA APPEAR IN THE EJACULATE OF LAMBS AT THE AGE OF 20-21 WEEKS AND WHEN A BODY WEIGHT OF APPROXIMATELY 35 KGS HAS BEEN ATTAINED. THE ENDOCRINE FUNCTION OF THE TESTS INCREASES AT A SLOW RATE, FROM BIRTH TO THE AGEOF 32 WEEKS; FROM THEN ONWARDS THE RATE OF INCREASE IS ACCELERATED CONSIDERABLY UNTIL THE AGE OF 48 WEEKS. THE QUALITY OF SEMEN AT THE AGE OF 20 WEEKS IS NOTSATISFACTORY, BUT IMPROVES RAPIDLY IN THE COURSE OF THE ENSUING 2-3 MONTHS. RAM LAMBS BEGIN TO MANIFEST THEIR INTEREST IN THE FEMALES IN ESTRUS AT THE AGE OF12-16 WEEKS; THEIR COPULATORY CAPACITY WAS IMPROVING, AS THE NUMBER OF SEXUAL MEETINGS WAS INCREASED, AND THE ADHESIONS OF THE PENIS TO THE PREPUCE WERE RESOLVED. LAMBS AQUIRE THEIR FULL COPULATORY ABILITY AT THE AGE OF 28-32 WEEKS. IT IS CONCLUDED THAT THE AGE AT WHICH LAMBS MAY BE USED AS SEMEN DONORS IN A.I. ORFOR NATURAL SERVICE IS 32, 36 AND 34 MONTHS, FOR THE CHIOS, SERRES AND KARAGOUNIKI BREEDS, RESPECTIVELY.","ΜΕΛΕΤΗΘΗΚΕ Η ΛΕΙΤΟΥΡΓΙΚΗ ΕΞΕΛΙΞΗ ΤΟΥ ΓΕΝΝΗΤΙΚΟΥ ΣΥΣΤΗΜΑΤΟΣ ΣΕ 60 ΑΜΝΟΥΣ ΤΩΝ ΦΥΛΩΝ ΧΙΟΥ (20), ΣΕΡΡΩΝ (20) ΚΑΙ ΚΑΡΑΓΚΟΥΝΙΚΗΣ (20) ΑΠΟ ΤΗ ΓΕΝΝΗΣΗ ΜΕΧΡΙ ΤΗΝ ΗΛΙΚΙΑ ΤΩΝ 48 ΕΒΔΟΜΑΔΩΝ. ΤΑ ΑΠΟΤΕΛΕΣΜΑΤΑ ΕΔΕΙΞΑΝ ΟΤΙ Η ΛΕΙΤΟΥΡΓΙΑ ΤΩΝ ΕΠΙΚΟΥΡΙΚΩΝ ΓΕΝΝΗΤΙΚΩΝ ΑΔΕΝΩΝ ΑΡΧΙΖΕΙ ΑΡΚΕΤΑ ΠΡΙΝ ΤΗΝ ΕΝΑΡΞΗ ΤΗΣ ΣΠΕΡΜΑΤΟΓΕΝΕΣΗΣ ΠΟΥ ΣΥΜΒΑΙΝΕΙ ΣΤΗΝ ΗΛΙΚΙΑ ΤΩΝ 14-15 ΕΒΔΟΜΑΔΩΝ. ΤΑ ΠΡΩΤΑ ΣΠΕΡΜΑΤΟΖΩΑΡΙΑ ΕΜΦΑΝΙΖΟΝΤΑΙ ΣΤΟ ΕΚΣΠΕΡΜΑΤΙΣΜΑ ΤΩΝ ΑΜΝΩΝ ΣΤΗΝ ΗΛΙΚΙΑ ΤΩΝ 20-21 ΕΒΔΟΜΑΔΩΝ, ΚΑΙ ΕΝΩ ΟΙ ΑΜΝΟΙ ΕΧΟΥΝ ΑΠΟΚΤΗΣΕΙ ΣΩΜΑΤΙΚΟ ΒΑΡΟΣ ΓΥΡΩ ΣΤΑ 35 KG. Η ΕΝΔΡΟΚΡΙΝΗΣ ΛΕΙΤΟΥΡΓΙΑ ΤΩΝ ΟΡΧΕΩΝ ΑΥΞΑΝΕΤΑΙ ΜΕ ΒΡΑΔΥ ΡΥΘΜΟ ΜΕΧΡΙ ΤΗΝ ΗΛΙΚΙΑ ΤΩΝ 32 ΕΒΔΟΜΑΔΩΝ, ΟΠΟΤΕ ΕΠΙΤΑΧΥΝΕΤΑΙ ΕΞΑΙΡΕΤΙΚΑ ΩΣ ΤΙΣ 48 ΕΒΔΟΜΑΔΕΣ. Η ΠΟΙΟΤΗΤΑ ΤΟΥ ΣΠΕΡΜΑΤΟΣ ΔΕΝ ΕΙΝΑΙ ΚΑΛΗ ΣΤΗΝ ΗΛΙΚΙΑΤΩΝ 20 ΕΒΔΟΜΑΔΩΝ ΑΛΛΑ ΒΕΛΤΙΩΝΕΤΑΙ ΜΕ ΤΑΧΥ ΡΥΘΜΟ ΜΕΧΡΙ ΤΙΣ 32 ΕΒΔΟΜΑΔΕΣ. ΟΙ ΑΜΝΟΙ ΑΡΧΙΖΟΥΝ ΝΑ ΕΚΔΗΛΩΝΟΥΝ ΕΝΔΙΑΦΕΡΟΝ ΓΙΑ ΤΟ ΘΗΛΥΚΟ ΠΟΥ ΒΡΙΣΚΕΤΑΙ ΣΕ ΟΙΣΤΡΟ ΣΤΗΝΗΛΙΚΙΑ ΤΩΝ 12-16 ΕΒΔΟΜΑΔΩΝ. Η ΙΚΑΝΟΤΗΤΑ ΤΩΝ ΑΜΝΩΝ ΓΙΑ ΣΥΖΕΥΞΗ ΒΕΛΤΙΩΝΕΤΑΙ ΒΑΘΜΙΑΙΑ ΚΑΘΩΣ ΑΥΞΑΝΕΤΑΙ Ο ΑΡΙΘΜΟΣ ΤΩΝ ΣΥΝΑΝΤΗΣΕΩΝ ΜΕ ΤΟ ΘΗΛΥΚΟ ΚΑΙ ΛΥΟΝΤΑΙ ΟΙ ΣΥΜΦΥΣΕΙΣ ΤΟΥ ΠΕΟΥΣ. ΟΛΟΚΛΗΡΩΜΕΝΗ ΟΜΩΣ ΣΥΖΕΥΞΗ ΔΕΝ ΠΑΡΑΤΗΡΕΙΤΑΙ ΠΑΡΑ ΜΟΝΟ ΣΤΗΝ ΗΛΙΚΙΑ ΤΩΝ 28 ΩΣ 32 ΕΒΔΟΜΑΔΩΝ. ΣΥΜΠΕΡΑΙΝΕΤΑΙ ΟΤΙ ΟΙ ΑΜΝΟΙ ΜΠΟΡΟΥΝ ΝΑ ΧΡΗΣΙΜΟΠΟΙΗΘΟΥΝ ΤΟΣΟ ΩΣ ΣΠΕΡΜΑΤΟΔΟΤΕΣ ΣΤΗΝ Τ.Σ., ΟΣΟ ΚΑΙ ΓΙΑ ΦΥΣΙΚΗ ΟΧΕΙΑ ΣΤΙΣ ΗΛΙΚΙΕΣ ΤΩΝ 32, 36 ΚΑΙ 34 ΕΒΔΟΜΑΔΩΝ ΓΙΑ ΤΟΥΣ ΑΜΝΟΥΣ ΤΩΝ ΦΥΛΩΝ ΧΙΟΥ, ΣΕΡΡΩΝ ΚΑΙ ΚΑΡΑΓΚΟΥΝΙΚΗΣ,ΑΝΤΙΣΤΟΙΧΑ."]},{"key":"dc:title","label":"Title","values":["Η ΛΕΙΤΟΥΡΓΙΚΗ ΕΞΕΛΙΞΗ ΤΟΥ ΓΕΝΝΗΤΙΚΟΥ ΣΥΣΤΗΜΑΤΟΣ ΣΤΟΥΣ ΑΜΝΟΥΣ ΤΩΝ ΦΥΛΩΝ ΧΙΟΥ, ΣΕΡΡΩΝ ΚΑΙ ΚΑΡΑΓΚΟΥΝΙΚΗΣ ΜΕΧΡΙ ΤΗ ΧΡΗΣΙΜΟΠΟΙΗΣΗ ΤΟΥΣ ΓΙΑ ΑΝΑ...","THE FUNCTIONAL DEVELOPMENT OF THE REPRODUCTIVE SYSTEM IN RAM LAMBS OF THE CHIOS, SERRES AND KARAGOUNIKI BREEDS UNTIL THEIR USE IN BREEDING"]}]}],"canonical_facts":{"dc:creator":["Αλεξόπουλος, Κωνσταντίνος"],"dc:date":["1987"],"dc:description":["THE FUNCTIONAL DEVELOPMENT OF THE REPRODUCTIVE SYSTEM WAS STUDIED IN 60 RAM LAMBS OF THE CHIOS, SERRES AND KARAGOUNIKI BREEDS FROM BIRTH TO SEXUAL MATURITY. ACCORDING TO THE RESULTS OF THIS STUDY, THE ACCESSORY GLANDS BEGIN THEIR FUNCTION WELL BEFORE THE ONSET OF SPERMATOGENESIS THAT IS OCCURED AT THE AGE OF 14-15 WEEKS. THE FIRST SPERMATOZOA APPEAR IN THE EJACULATE OF LAMBS AT THE AGE OF 20-21 WEEKS AND WHEN A BODY WEIGHT OF APPROXIMATELY 35 KGS HAS BEEN ATTAINED. THE ENDOCRINE FUNCTION OF THE TESTS INCREASES AT A SLOW RATE, FROM BIRTH TO THE AGEOF 32 WEEKS; FROM THEN ONWARDS THE RATE OF INCREASE IS ACCELERATED CONSIDERABLY UNTIL THE AGE OF 48 WEEKS. THE QUALITY OF SEMEN AT THE AGE OF 20 WEEKS IS NOTSATISFACTORY, BUT IMPROVES RAPIDLY IN THE COURSE OF THE ENSUING 2-3 MONTHS. RAM LAMBS BEGIN TO MANIFEST THEIR INTEREST IN THE FEMALES IN ESTRUS AT THE AGE OF12-16 WEEKS; THEIR COPULATORY CAPACITY WAS IMPROVING, AS THE NUMBER OF SEXUAL MEETINGS WAS INCREASED, AND THE ADHESIONS OF THE PENIS TO THE PREPUCE WERE RESOLVED. LAMBS AQUIRE THEIR FULL COPULATORY ABILITY AT THE AGE OF 28-32 WEEKS. IT IS CONCLUDED THAT THE AGE AT WHICH LAMBS MAY BE USED AS SEMEN DONORS IN A.I. ORFOR NATURAL SERVICE IS 32, 36 AND 34 MONTHS, FOR THE CHIOS, SERRES AND KARAGOUNIKI BREEDS, RESPECTIVELY.","ΜΕΛΕΤΗΘΗΚΕ Η ΛΕΙΤΟΥΡΓΙΚΗ ΕΞΕΛΙΞΗ ΤΟΥ ΓΕΝΝΗΤΙΚΟΥ ΣΥΣΤΗΜΑΤΟΣ ΣΕ 60 ΑΜΝΟΥΣ ΤΩΝ ΦΥΛΩΝ ΧΙΟΥ (20), ΣΕΡΡΩΝ (20) ΚΑΙ ΚΑΡΑΓΚΟΥΝΙΚΗΣ (20) ΑΠΟ ΤΗ ΓΕΝΝΗΣΗ ΜΕΧΡΙ ΤΗΝ ΗΛΙΚΙΑ ΤΩΝ 48 ΕΒΔΟΜΑΔΩΝ. ΤΑ ΑΠΟΤΕΛΕΣΜΑΤΑ ΕΔΕΙΞΑΝ ΟΤΙ Η ΛΕΙΤΟΥΡΓΙΑ ΤΩΝ ΕΠΙΚΟΥΡΙΚΩΝ ΓΕΝΝΗΤΙΚΩΝ ΑΔΕΝΩΝ ΑΡΧΙΖΕΙ ΑΡΚΕΤΑ ΠΡΙΝ ΤΗΝ ΕΝΑΡΞΗ ΤΗΣ ΣΠΕΡΜΑΤΟΓΕΝΕΣΗΣ ΠΟΥ ΣΥΜΒΑΙΝΕΙ ΣΤΗΝ ΗΛΙΚΙΑ ΤΩΝ 14-15 ΕΒΔΟΜΑΔΩΝ. ΤΑ ΠΡΩΤΑ ΣΠΕΡΜΑΤΟΖΩΑΡΙΑ ΕΜΦΑΝΙΖΟΝΤΑΙ ΣΤΟ ΕΚΣΠΕΡΜΑΤΙΣΜΑ ΤΩΝ ΑΜΝΩΝ ΣΤΗΝ ΗΛΙΚΙΑ ΤΩΝ 20-21 ΕΒΔΟΜΑΔΩΝ, ΚΑΙ ΕΝΩ ΟΙ ΑΜΝΟΙ ΕΧΟΥΝ ΑΠΟΚΤΗΣΕΙ ΣΩΜΑΤΙΚΟ ΒΑΡΟΣ ΓΥΡΩ ΣΤΑ 35 KG. Η ΕΝΔΡΟΚΡΙΝΗΣ ΛΕΙΤΟΥΡΓΙΑ ΤΩΝ ΟΡΧΕΩΝ ΑΥΞΑΝΕΤΑΙ ΜΕ ΒΡΑΔΥ ΡΥΘΜΟ ΜΕΧΡΙ ΤΗΝ ΗΛΙΚΙΑ ΤΩΝ 32 ΕΒΔΟΜΑΔΩΝ, ΟΠΟΤΕ ΕΠΙΤΑΧΥΝΕΤΑΙ ΕΞΑΙΡΕΤΙΚΑ ΩΣ ΤΙΣ 48 ΕΒΔΟΜΑΔΕΣ. Η ΠΟΙΟΤΗΤΑ ΤΟΥ ΣΠΕΡΜΑΤΟΣ ΔΕΝ ΕΙΝΑΙ ΚΑΛΗ ΣΤΗΝ ΗΛΙΚΙΑΤΩΝ 20 ΕΒΔΟΜΑΔΩΝ ΑΛΛΑ ΒΕΛΤΙΩΝΕΤΑΙ ΜΕ ΤΑΧΥ ΡΥΘΜΟ ΜΕΧΡΙ ΤΙΣ 32 ΕΒΔΟΜΑΔΕΣ. ΟΙ ΑΜΝΟΙ ΑΡΧΙΖΟΥΝ ΝΑ ΕΚΔΗΛΩΝΟΥΝ ΕΝΔΙΑΦΕΡΟΝ ΓΙΑ ΤΟ ΘΗΛΥΚΟ ΠΟΥ ΒΡΙΣΚΕΤΑΙ ΣΕ ΟΙΣΤΡΟ ΣΤΗΝΗΛΙΚΙΑ ΤΩΝ 12-16 ΕΒΔΟΜΑΔΩΝ. Η ΙΚΑΝΟΤΗΤΑ ΤΩΝ ΑΜΝΩΝ ΓΙΑ ΣΥΖΕΥΞΗ ΒΕΛΤΙΩΝΕΤΑΙ ΒΑΘΜΙΑΙΑ ΚΑΘΩΣ ΑΥΞΑΝΕΤΑΙ Ο ΑΡΙΘΜΟΣ ΤΩΝ ΣΥΝΑΝΤΗΣΕΩΝ ΜΕ ΤΟ ΘΗΛΥΚΟ ΚΑΙ ΛΥΟΝΤΑΙ ΟΙ ΣΥΜΦΥΣΕΙΣ ΤΟΥ ΠΕΟΥΣ. ΟΛΟΚΛΗΡΩΜΕΝΗ ΟΜΩΣ ΣΥΖΕΥΞΗ ΔΕΝ ΠΑΡΑΤΗΡΕΙΤΑΙ ΠΑΡΑ ΜΟΝΟ ΣΤΗΝ ΗΛΙΚΙΑ ΤΩΝ 28 ΩΣ 32 ΕΒΔΟΜΑΔΩΝ. ΣΥΜΠΕΡΑΙΝΕΤΑΙ ΟΤΙ ΟΙ ΑΜΝΟΙ ΜΠΟΡΟΥΝ ΝΑ ΧΡΗΣΙΜΟΠΟΙΗΘΟΥΝ ΤΟΣΟ ΩΣ ΣΠΕΡΜΑΤΟΔΟΤΕΣ ΣΤΗΝ Τ.Σ., ΟΣΟ ΚΑΙ ΓΙΑ ΦΥΣΙΚΗ ΟΧΕΙΑ ΣΤΙΣ ΗΛΙΚΙΕΣ ΤΩΝ 32, 36 ΚΑΙ 34 ΕΒΔΟΜΑΔΩΝ ΓΙΑ ΤΟΥΣ ΑΜΝΟΥΣ ΤΩΝ ΦΥΛΩΝ ΧΙΟΥ, ΣΕΡΡΩΝ ΚΑΙ ΚΑΡΑΓΚΟΥΝΙΚΗΣ,ΑΝΤΙΣΤΟΙΧΑ."],"dc:identifier":["10.12681/eadd/0538","http://hdl.handle.net/10442/hedi/0538"],"dc:language":["gre"],"dc:publisher":["Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ)","Aristotle University Of Thessaloniki (AUTH)"],"dc:subject":["DEVELOPMENT OF SEXUAL BEHAVIOUR","DIAMETER OF SEMINAL TUBULES IN LAMBS","FUNCTION OF ACCESSORY GLANDS IN LAMBS","LDH IN RAM LAMBS EJACULATES","ONSET OF SPERMATOGENESIS","POBERTY IN RAM LAMBS","ΕΝΑΡΞΗ ΣΠΕΡΜΑΤΟΓΕΝΕΣΗΣ ΣΕ ΑΜΝΟΥΣ","ΕΝΔΟΚΡΙΝΗΣ ΛΕΙΤΟΥΡΓΙΑ ΤΩΝ ΟΡΧΕΩΝ","Η ΕΝΗΒΩΣΗ ΤΩΝ ΑΜΝΩΝ","Η ΛΥΣΗ ΤΩΝ ΣΥΜΦΥΣΕΩΝ ΤΟΥ ΠΕΟΥΣ","ΛΕΙΤΟΥΡΓΙΑ ΤΩΝ ΕΠΙΚΟΥΡΙΚΩΝ ΓΕΝΝΗΤΙΚΩΝ ΑΔΕΝΩΝ","ΜΙΚΡΟΣΚΟΠΙΚΑΧΑΡΑΚΤΗΡΙΣΤΙΚΑ ΤΟΥ ΣΠΕΡΜΑΤΟΣ","ΣΕΞΟΥΑΛΙΚΗ ΣΥΜΠΕΡΙΦΟΡΑ ΑΜΝΩΝ","Γεωπονικές Επιστήμες και Κτηνιατρική","Agricultural and Veterinary Sciences","Κτηνιατρική","Veterinary Science"],"dc:title":["Η ΛΕΙΤΟΥΡΓΙΚΗ ΕΞΕΛΙΞΗ ΤΟΥ ΓΕΝΝΗΤΙΚΟΥ ΣΥΣΤΗΜΑΤΟΣ ΣΤΟΥΣ ΑΜΝΟΥΣ ΤΩΝ ΦΥΛΩΝ ΧΙΟΥ, ΣΕΡΡΩΝ ΚΑΙ ΚΑΡΑΓΚΟΥΝΙΚΗΣ ΜΕΧΡΙ ΤΗ ΧΡΗΣΙΜΟΠΟΙΗΣΗ ΤΟΥΣ ΓΙΑ ΑΝΑ...","THE FUNCTIONAL DEVELOPMENT OF THE REPRODUCTIVE SYSTEM IN RAM LAMBS OF THE CHIOS, SERRES AND KARAGOUNIKI BREEDS UNTIL THEIR USE IN BREEDING"],"dc:type":["PhD Thesis"]},"updated_at":"2026-07-24T02:25:17Z"}