Influence of sex ratio during multiple pregnancies on productive and reproductive parameters of lambs and ewes

Reproduction Nutrition Development

Volumn 37, Issue 1, 1997, Pages 21-27

  Avdi, M ^a   Driancourt, M A ^b  

^a ARISTOTLE UNIVERSITY OF THESSALONIKI   (Greece)

^b CEMAGREF   (France)

Author keywords

Embryonic mortality; Foetus; Ovulation rate; Sex ratio; Sheep

Indexed keywords

CHORIONIC GONADOTROPIN; FOLLITROPIN;

AGE; ANIMAL EXPERIMENT; ARTICLE; BIRTH WEIGHT; BODY WEIGHT; CONTROLLED STUDY; EMBRYO MORTALITY; FEMALE; GROWTH; LACTATION; LITTER SIZE; MILK PRODUCTION; MULTIPLE PREGNANCY; NONHUMAN; OVARY DEVELOPMENT; OVULATION; PUBERTY; REPRODUCTION; SEX RATIO; SHEEP; TWINS;

EID: 0030888957     PISSN: 09265287     EISSN: None     Source Type: Journal    
DOI: 10.1051/rnd:19970103     Document Type: Article

References (14)

1. Avdi M, Vergos V, Alifakiotis T, Michaelidis I, Driancourt MA, Chemineau P (1988) Seasonal variations of oestrous behaviour and ovulation rate in Chios and Serres ewes in Greece. Proc 3rd World Congress on Sheep and Cattle Breeding, Paris, France, 647-649
2. Bindon BM, Findlay JK, Piper LR (1985) Plasma FSH and LH in prepubertal Booroola ewe lambs. Aust J Biol Sci 38, 215-220
3. Bodin L, Bibe B, Blanc M, Ricordeau G (1988) Genetic relationship between prepubertal plasma FSH levels and reproductive performance in Lacaune ewe lambs. Genet Sel Evol 20, 489-498
4. Driancourt MA, Bodin L, Boomarov O, Thimonier J, Elsen JM (1990) Number of mature follicles ovulating after a challenge of human chorionic gonadotropin in different breeds of sheep at different physiological stages. J Anim Sci 68, 719-724
5. Gandelman R, Vom Saal FS, Reinisch SM (1977) Contiguity to male foetuses affects morphology and behaviour of female mice. Nature 266, 722-724
6. Lillie FR (1916) The theory of the freemartin. Science 43, 611-613
7. Matejka M, Cribiu EP, Ricordeau G, Chaffaux S (1987) Fréquence du freemartinisme chez des agnelles Romanov. Rec Med Vet 163, 635-638
8. Rohde Parfet KA, Ganjam VK, Lamberson WR, Rieke AR, Vom Saal FS, Day BN (1990) Intrauterine position effects in female swine: subsequent reproductive performance, and social and sexual behavior. Appl Anim Behav Sci 26, 349-362
9. Sonjaya H, Driancourt MA (1989) FSH concentration and sensitivity to feedback in infant lambs from breeds differing in prolificacy J Reprod Fertil 85, 461-469
10. Vom Saal FS (1981) Variation in phenotype due to random intrauterine positioning of male and female fetuses in rodents. J Reprod Fertil 62, 633-650
11. Vom Saal FS (1989) Sexual differentiation in litter bearing mammals: influence of sex of adjacent fetuses in utero. J Anim Sci 67, 1824-1840
12. Vom Saal FS, Bronson FH (1978) In utero proximity of female mouse fetuses to males: effects on reproductive performance during later life. Biol Reprod 19, 842-853
13. Vom Saal FS, Bronson FH (1980) Variation in length of the estrous cycle in mice due to former intrauterine proximity to male fetuses. Biol Reprod 22, 777-780
14. Wise TH. Christenson RK (1992) Relationship of fetal position within the uterus to fetal weight, placental weight, testosterone, estrogens and thymosin β4 concentrations at 70 and 104 days of gestation in swine. J Anim Sci 70, 2787-2793