The aim of the present work was to test the effect of offering ewes different levels of NRC requirements (1975) with feeding its lambs creep feeding on milk yield and composition and growth of produced lambs from birth until weaning. Fifty four local Egyptian ewes (average 3-4 years old and of an average live body weight of 41.6 kg) at lambing were used in this study. Experimental ewes were divided after lambing directly into three equal groups (18 ewes each). In the 1 st group (G 1), ewes received 100 % of NRC requirements. In the 2 nd group (G2), ewes received 85 % of NRC requirement and those in the 3 rd group (G3) were received 70 % of NRC requirements. Within each experimental group, ewes were divided into two equal subgroups (9 ewes each). Lambs of the first subgroup were fed additional ration during suckling period through creep feeding, while in the 2 nd subgroup; lambs were maintained without any additional ration. Results showed that overall mean of milk yield, 4% fat corrected milk yield (4% FCM), fat percentage and fat yield of ewes at different days after lambing were not affected significantly by creep feeding. However, at day 60 after lambing, percentages of total solids and solids not fat were affected significantly (P<0.05) due to creep feeding. Percentages of ash, total solids and solids not fat in ewe's milk were affected significantly at days 30 and 45 after lambing by level of NRC requirements. No significant difference due to creep feeding and level of requirements in ewe's body weights at different days after lambing. Lamb daily gain at fourth weeks of age improved significantly (P<0.05) due to creep feeding. Also, daily gain of lambs from birth to weaning was compatible to the data of overall mean of 4% FCM yield.

A total of 207 specimens of Epinephelus guaza (Family: Serranidae) were collected from Catches by long line and spear fishing operating on Susa Coast on the Mediterranean sea , Libya were studied monthly from April 2010 to March 2011. hepatosomatic index (HSI), condition factor (K) and length-weight relationship (LWR) were evaluated. Monthly variations of GSI in both sexes showed the higher values during the period from June to September when HSI values were lower. Based on the values of GSI and HSI, the reproductive cycle of E. guaza is designated into prespawning period (April–May), spawning period (June-September), and posts pawning period (October-November). The correlation coefficient for length weight relationship was 0.99. The value of regression coefficient for both sexes was isometric (b = 2.969). The highest values of condition factors were recorded in summer (K 1.75) and autumn (K 1.63). The data revealed that E. guaza is a seasonal breeder and reproduction took a longer duration of time.

his study was conducted to investigate the biology of Common Pandora in Tellmatha coast. Species of (Pagellus erythrinus L., 1758) were caught in Tellmatha using longline during the period from April 2017 to August 2017. A total of 80 mature female specimens were examined for fecundity and gonadosomatic index study. The fecundity of the fish ranged from 1177.7 to 5818.18 eggs with an average value of 3512.09 eggs. The relationship between fecundity and gonad weight was most significant (r= 0.9775) than that of fecundity with other factors. The relations between fecundity and total length and body weight are linear. The regression equation are i) Log10F=4.6248+2.1379Log10TL, ii) Log10F=2.7203+1.4081Log10TW, iii) Log10 F= 0.5063+3.8624 Log10 Gw r = 0.8818. The spawning period started in June and continued until October. This data shows that the stock of the Common pandora of Tellmatha coast is being exploited in the limit. It would be desirable to take measures to protect the spawning stock and recruits, for example by introducing a closed season or various changes in fishing patterns.