Results 81 to 90 of about 70,632 (246)

Avaliação de rações de alta densidade nutricional para porcas em lactação no verão Evaluation of rations with high nutritional density rations for lactation sows during the summer

open access: yesRevista Brasileira de Zootecnia, 2010
Para avaliar dietas de alta densidade nutricional, com ou sem suplementação de aminoácidos industriais, ajustadas com base na energia líquida, utilizaram-se 80 porcas pluríparas, em lactação, do mesmo padrão genético, distribuídas em delineamento ...
Douglas Haese   +6 more
doaj   +1 more source

Reproductive management in pigs: emphasis on the different roles of the boar and on optimal insemination management [PDF]

open access: yes, 2009
Boars have different roles in the reproductive management in pigs. Boar contact can stimulate follicle development and thereby induce oestrus, both in gilts and sows.
Hazeleger, W.   +3 more
core   +1 more source

RESEARCHES REGARDING ESTRUS INDUCTION AND SYNCHRONIZATION IN SOWS AFTER WEANING

open access: yesCluj Veterinary Journal, 2009
The purpose of this paper was to improve the reproductive performances of sows after weaning in a private swine farm. The main objective was to implement modern reproductive biotechnologies (estrus synchronization, artificial insemination and ...
Liviu BOGDAN   +7 more
doaj   +1 more source

16 HOURS PHOTOPERIOD IN HOLSTEIN HEIFERS IN THE SUBTROPICS: EFFECTS IN DEVELOPMENT AND AGE TO FIRST ESTRUS

open access: yesEcosistemas y Recursos Agropecuarios, 2015
Both growth and milk production in heifer calves are stimulated by a long photoperiod, though this has not been proven yet in subtropical areas. To evaluate the effect of 16 hr of light (L16) on calves suckling (LAC) and/or pre-pubertal stages (PP) in a ...
Nicolás Valenzuela-Jiménez   +5 more
doaj   +1 more source

APLIKASI HORMON PROSTAGLANDHIN F2α DAN GONADOTROPHIN RELEASING HORMONE TERHADAP TAMPILAN ESTRUS SAPI SIMMENTAL PERANAKAN ONGOLE DALAM PROGRAM SINKRONISASI ESTRUS [PDF]

open access: yes, 2016
Permasalahan reproduksi pada sapi potong betina yaitu deteksi estrus yang tidak tepat karena keberhasilan inseminasi buatan sangat ditentukan oleh kemampuan dari peternak dalam hal deteksi estrus.
Mangivera , Amila
core  

Ovarian Follicular Fluid Constituents in Relation to Stage of Estrus Cycle and Size of the Follicle in Buffalo [PDF]

open access: yesVeterinary World, 2010
The goal of the present study was to evaluate the difference in constituent of the ovarian follicular fluid in different stages of the estrus cycle and in medium and large sized follicle and also to evaluate the relation between serum and follicular ...
Hussein H. A.   +4 more
doaj  

Effect of the method of estrus synchronization and PMSG dosage on estrus and twinning in Ethiopian Menze sheep

open access: yesTheriogenology, 1992
Mature, cyclic Ethiopian Menze ewes (n=72) were used in this study. They were divided into 6 equal groups in a 2x3 factorial experimental design. Estrus and ovulation were synchronized in all ewes using either 2 dosages of prostaglandin F2 alpha 12 days apart (n=36) or intravaginal progestogen sponges for an equal length of time (n=36).
Mutiga, E.R., Mukasa-Mugerwa, E.
openaire   +3 more sources

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