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Characteristic behavior of a mare during estrus is:

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שאלה #148185

done		"wink" of the vulvar lips
		kicking the approaching male
		less walking than usual
		lack of urination in presence of a male
		rise in milk production

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מיין לפי דירוג חדש ישן

Which of the following is a long and continuous breeder (up to 20 minutes mating)?

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שאלה #148186

done		boar (male pig)
		bull
		stallion (male horse)
		ram (male sheep)
		goat

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מיין לפי דירוג חדש ישן

The most common semen collection method in tomcats is:

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שאלה #148187

done		electroejaculation
done		artificial vagina
		manually - with no instrumental assistance
		pharmacologic - by medications such as xylazine
		by mating with a female and semen collection from inside the uterus

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מיין לפי דירוג חדש ישן

The term oligospermia means:

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שאלה #148514

done		that there are very low numbers of sperms in the ejaculate
		that there is no sperm in the ejaculate
		that there is a high number of defective spermatozoa in the ejaculate
		that there are many spermatozoa in the ejaculate
		that there are no defective spermatozoa in the ejaculate

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מיין לפי דירוג חדש ישן

The source of the gastrointestinal system in mammals is the:

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שאלה #148518

done		endoderm
		mesoderm
		ectoderm
		the trophectoderm
		the extraembryonic coelom

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מיין לפי דירוג חדש ישן

Regarding maternal recognition of pregnancy in the cow:

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שאלה #148522

sentiment_very_satisfied		bovine interferon tau - bIFNt
		occurs when PGF2a is secreted into the uterine cavity and not to the circulation (blood)
		ovine interferone tau - oIFNt
		HCG secretion
		doen not exist

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מיין לפי דירוג חדש ישן

Which of the following in not one of the functions of the mammalian placenta:

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שאלה #148528

done		mixing maternal and fetal blood
		hormonal function
		metabolic function - exchange of nutrients
		serves as chemical protectant
		serves as physical protectant

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מיין לפי דירוג חדש ישן

Laboratory exam for pregnancy diagnosis in the mare's (female horse) serum is:

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שאלה #148531

sentiment_very_satisfied		estrone sulphate
		relaxin
		progesterone
		PGF2a
		BSPB (pregnancy specific protein B)

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מיין לפי דירוג חדש ישן

The source of red blood cells and stem cells (gametes) of the conceptus (fetus/ embryo) is:

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שאלה #148534

done		yolk sac
		amnion
		allantois
		fetal intestine
		mesonephric duct

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מיין לפי דירוג חדש ישן

AMH (Anti Mullerian Hormone) is not responsible for the development of:

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שאלה #148537

done		testes
		penis
		scrotum
		ducts of the male reproductive system
		accessory sex glands

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מיין לפי דירוג חדש ישן

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