Egyptian Association for Sheep and Goats
Egyptian Journal of Sheep and Goats Sciences
2090-0386
13
2
2018
08
01
EFFECT OF INBREEDING ON SOME BODY WEIGHTS IN EGYPTIAN BARKI SHEEP
1
8
26241
10.21608/ejsgs.2018.26241
EN
Reda
Elsaid
Department of Sustainable Development, Environmental Studies and Research Institute (ESRI), University of Sadat City, Menofyia, Egypt, P. Code 32897
Salwa I.
El-Wakil
Division of Animal and Poultry Production, Desert Research Centre, El-Matareya, Cairo, Egypt, P. Code 11753
H. M.
El-Gabbas
Division of Animal and Poultry Production, Desert Research Centre, El-Matareya, Cairo, Egypt, P. Code 11753
Journal Article
2019
01
30
SUMMARY<br />The present study utilized the pedigree records of 3191 Barki lamb progenies of 186 sires and 1640 dams reared at two research stations; Ras-Elhekma (from 1963 to 1972) and Maryout (from 1973 to 2004). The current study investigated the effect of inbreeding on body weights at birth, BW, weaning, W120, yearling, W360 and at first mating, W480 in Egyptian Barki sheep flock of the Desert Research Centre. The non-genetic factors affecting the studied traits were investigated. It was found that 4.92% of the present dataset were inbred animals. Average inbreeding coefficient of inbred animals was estimated as 3.57% and appeared to be ranged from 0.05% to 25.20%. Estimate of inbreeding regression coefficient on year of birth for inbred animals were significantly negative in Ras-Elhekma (-0.015) and was not significant in Maryout research station (0.003). Results of pooled data from both stations showed that each one percent increase in inbreeding coefficient resulted in a reduction in BW (-0.0156 kg), W120 (-0.0364 kg) and W360 (-0.0079 kg) together with an increase in W480 (0.0559 kg). The effect of inbreeding seemed to be negligible for the studied body weights with no consistent trend in both research stations.
Egyptian Association for Sheep and Goats
Egyptian Journal of Sheep and Goats Sciences
2090-0386
13
2
2018
08
01
EFFECT OF FEEDING THE MEDICINAL HERB, CHAMOMILE FLOWER, ON PRODUCTIVE PERFORMANCE OF FRAFRA EWES AND THEIR BORN LAMBS.
1
10
26242
10.21608/ejsgs.2018.26242
EN
A. R.
Khattab
Animal Production Research Institute, Agriculture Research Center, Dokki, Giza, Egypt.
A. A.
Saleh
Animal Production Research Institute, Agriculture Research Center, Dokki, Giza, Egypt.
F. A.
El Sayed
Animal Production Research Institute, Agriculture Research Center, Dokki, Giza, Egypt.
Journal Article
2019
01
30
SUMMARY<br />This study conducted to evaluate effects of supplementing two levels of chamomile flowers to the ration of Farafra ewes on milk production, blood profile and lambs’ growth. A total of 21 ewes with average live body weight 46.0 ± 1.23 kg were used in this study. Ewes divided into three groups (7 each) and fed diets according to NRC allowances (1985). Treatments contained 0, 5 and 10g chamomile/10 kg BW/day. The animals were in late pregnancy when started use in the experiment and continued for three months of lactation until weaning.<br />The results show that daily DM intake improved with increasing the level of chamomile (5 or 10 g/100 kg BW/day) in the rations G2, G3, respectively, and the differences were significant. The same trend observed also with TDN intake (916.05, 931.2 and 937.28 g/d of G1, G2 and G3, respectively.<br />Concerning blood parameters, the results indicate that some blood constituents tested not significantly affected by the tested experimental rations. Serum glucose, protein and globulin increased while cholesterol and enzymes (GOT, GPT and ALP) reduced, as result of adding chamomile, especially at the high level (G3). In addition, chamomile had positive effect on hematological parameters (Hb and Hct).<br />Daily milk yield increased by 6.41 and 15.10% for G2 (465g) and G3 (503g) relative to the control (437g). Moreover, percentages of both fat and total solids (TS) significantly increased with increasing the level of chamomile. It is interesting to found a negative relationship between SCC and milk yields.<br />Live body weight at birth and weaning positively affected by supplement of chamomile during pregnancy, thus total body gain and daily body gain of born lambs improved.<br />Accordingly, it could conclude that supplementing chamomile for lactating ewes' rations had positive effects not only on milk production, but also on metabolic parameters and lambs’ growth.
Egyptian Association for Sheep and Goats
Egyptian Journal of Sheep and Goats Sciences
2090-0386
13
2
2018
08
01
EFFECT OF DIFFERENT PARITY TYPES ON REPRODUCTIVE PERFORMANCE OF DAIRY ZARAIBI GOATS
1
12
26243
10.21608/ejsgs.2018.26243
EN
El-Moghazy, M.
M.
Animal Production Department, Faculty of Agriculture, Domietta University, Egypt.
Khalifa, E.
I.
Animal Production Research Institute, Department of Sheep and Goats Research, Ministry of Agriculture, Dokki, Giza, Egypt.
Rasha, A. E.
Hawas
Animal Production Research Institute, Department of Sheep and Goats Research, Ministry of Agriculture, Dokki, Giza, Egypt.
Journal Article
2019
01
30
ABSTRACT<br />The main objective of this study was to assess the influence of parity types on reproductive efficiency of dairy Zaraibi goats. The conception rate, prolificacy, birth types, litter size, sexing of kids, gestation length, kidding interval, oestrus resumption and body weight of kids born were used as source to evaluate reproductive performance. Twenty-one dairy Zaraibi goats of different parities, 1st, 3rd and 5th, were used in this study (7 goats / parity). All goats had body weight ranged from 26.00 to 42.00 kg and age from 19 and 67 months. During the study period, all goats received feedstuffs, veterinary care and kept under the same environmental condition. The results indicated that different reproductive characteristics of dairy Zaraibi goats were recorded through 1st, 3rd and 5th parity. Conception rate showed similar results among 1st, 3rd and 5th parity. Estimation of prolificacy in the 3rd and 5th parity was greater as it reached 185.71 and 185.71% than shown in 1st parity (157.14 %). The birth types showed higher triplet rate in 3rd (28.57%) and 5th (14.29%) parity than in 1st parity (00.00%). Improvement of litter size was noticed in 3rd parity (2.29) following by 5th (2.14) compared to 1st parity (1.71). Sex ratio of female : male kids born was found to be 66.67:33.33, 37.50: 62.50 and 60.00:40.00 % in the 1st, 3rd and 5th parity, respectively. The average gestation length, kidding interval and oestrus resumption and duration also recorded significant difference (P<0.05) among parity types. Since, gestation length were 149.29, 145.86 and 143.29 days, kidding interval were 0.00, 350.29 and 365.71 days, oestrus resumption were 48.57, 37.14 and 36.71 days and estrus duration were 30.57, 37.29 and 38.14 hrs in 1st, 3rd and 5th parities, respectively. The average total birth weight (female plus male kids), birth weight of female kids and birth weight of twins significantly differed (P<0.05) among studied parities. Meanwhile, other weights, as weaning weight of kids in 3rd and 5th parity recorded better (P>0.05) weight than kids in 1st parity except single weaning weight of kids in 1st parity. It could conclude that reproductive performance of dairy Zaraibi goats is better in 3rd parity followed by 5th parity then 1st parity. There is a tendency for improvement of reproductive parameters of dairy Zaraibi goats by advance of age up to 5th parity. Hence, the 3rd parity proved potential reproductive life for dairy goats and could be achieved with good breeding plan and ameliorated management programs.
Egyptian Association for Sheep and Goats
Egyptian Journal of Sheep and Goats Sciences
2090-0386
13
2
2018
08
01
ESTIMATION OF HERITABILITY AND BREEDING VALUES FOR SOME WOOL TRAITS IN BARKI SHEEP, USING SINGLE AND MULTIPLE TRAITS ANIMAL MODELS IN COMPARISON WITH SIRE MODELS
1
10
26244
10.21608/ejsgs.2018.26244
EN
Reda
Elsaid
Department of Sustainable Development, Environmental Studies and Research Institute (ESRI), University of Sadat City, Menofyia, Egypt, P. Code 32897
H. M.
El-Gabbas
Division of Animal and Poultry Production, Desert Research Centre, El-Matareya, Cairo, Egypt, P. Code 11753
Journal Article
2019
01
30
SUMMARY<br />The present study was undertaken to evaluate some wool traits using animal versus sire model as well as analyzing single trait versus multiple traits in order to obtain accurate estimates of genetic parameters in Barki sheep. This study utilized 937 Barki fleeces obtained from animals raised in three Barki sheep flocks located at the north western desert. Wool samples taken from these animals were used to assess kemp score, KS, handle grade, HG, lustre grade, LG and measure staple length, STL. Results indicated that Barki wool has slightly more than average kemp fibres and tend to be more than average softness and lustrous with an average staple length of 10.31 cm. Heritabilities obtained from single and multiple-traits analysis using animal and sire models were estimated for KS (ranged from 0.58 to 1.00), HG (ranged from 0.50 to 0.71), LG (ranged from 0.61 to 1.00) and STL (ranged from 0.62 to 0.80). Estimates of h2 obtained from single trait analysis were consistently higher than those obtained from multiple traits analysis using animal model. Moreover, the standard errors for heritability estimates obtained from sire model were obviously lower than those obtained from animal model. The present study revealed that sire model, particularly with the multiple traits analysis, is probably more adequate than animal model for estimating h2 of the studied traits. The range of estimated breeding values (EBV's) was wider when estimated from animal model and from multiple traits analysis compared with the corresponding values obtained from sire model and from single trait analysis, respectively. Using animal model, particularly with the multiple trait analysis, for estimating BV's showed higher genetic diversity compared with sire model which would lead to a rapid genetic gain in the future generations.
Egyptian Association for Sheep and Goats
Egyptian Journal of Sheep and Goats Sciences
2090-0386
13
2
2018
08
01
Flushing vs. Hormonal treatment, which better improve the reproductive performance of Ossimi ewes?
1
8
26245
10.21608/ejsgs.2018.26245
EN
K. M.
Marzouk
Dept. of Anim. Prod.,Fac. of Agric., Minia Univ., Egypt.
A. I.
El Zanouny
Dept. of Anim. Prod.,Fac. of Agric., Minia Univ., Egypt.
M. A.
Kaoud
Dept. of Anim. Prod.,Fac. of Agric., Minia Univ., Egypt.
Journal Article
2019
01
30
Abstract<br />The purpose of the current investigation was to evaluate the effect of flushing and hormonal methods on reproductive performance in local Ossimi sheep. Thirty Ossimi ewes of 39.56 ± 0.72 kg average live body weight were used. Animals randomly divided into three groups. The first group (G1) (Flushing without hormonal treatment), the second group (G2) (flushing with injection of GnRH). While, ewes of the third group (G3) flushing and one injection of PGF2 + GnRH. The basal flushing applied by feeding a gradual increased concentrate pelleted mixture, 14% crude protein, started by 500 g/h/day up to 1 kg/h/d during two weeks started prior breeding until the breeding season beside added amount of rice straw. The experiment designed according to the complete randomized design (CRD). There was a significant effect (P≤0.05 or P≤0.01) due to the treatments on litter size at birth (LZB), fecundity rate (FR), net reproductive rate (NRR), birth weight (BW0), body weight at 10 wks (BW10), total daily gain from birth to 70 d. On the other hand, no significant differences were found due to treatments on laming rate (LR), litter size at weaning (LZW), overall reproductive rate (ORR), livability, body weight at 8 wks (BW8), and kilograms of lambs born (KLBEL) and weaned (KLWEL). As conclusion, enhancing ration during breeding period is enough to improve the reproductive performance of ewes. The reason of reduced fertility with hormonal treatments may be due to increasing GnRH level against exert inhibitory effects or blocking of GnRH receptors by chemical antagonists of GnRH.
Egyptian Association for Sheep and Goats
Egyptian Journal of Sheep and Goats Sciences
2090-0386
13
2
2018
08
01
GROWTH PERFORMANCE, FEED UTILIZATION, RUMINAL PARAMETERS, ECONOMIC EFFICIENCY AND CARCASS CHARACTERISTICS OF MALE ZARAIBI GOATS FED RATIONS CONTAINING LINSSED OR SUNFLOWER OILS.
1
18
26246
10.21608/ejsgs.2018.26246
EN
Abdel-Gawad A.
M.
Animal Prod. Res. Inst., Agric. Res. Center, Dokki, Giza, Egypt.
G. I.
El-Emam
Animal Prod. Res. Inst., Agric. Res. Center, Dokki, Giza, Egypt.
Journal Article
2019
01
30
ABSTRACT<br />This study aimed to evaluate the effects of supplementing linseed or sunflower oils to the growing male kids diets on growth performance, feed utilization, ruminal fermentation, blood metabolites, economic efficiency and carcass characteristics. Fifteen Zaraibi kids (aged 5 months and had 17.62 ± 0.19 kg live weight) were divided into 3 groups (5 kids each), according to their live body weight. The control group (G1) fed a basal ration consisted of 60% concentrate feed mixture (CFM) plus 40% berseem hay (BH) according to NRC (1981) allowances. Linseed oil and sunflower oil added to the control diet at level 3% of total DM intake for G2 and G3, respectively. The feeding trail lasted 120 days.<br />The results of this study indicated that, the values of final live body weight of kids in tested groups (2 and 3) significantly higher than control group (G1), being 29.8 and 29.3 vs. 26.68 kg, respectively. These weights of G2 and G3 increased by 11.69 % and 9.82 % than weight of control (G1). Moreover, the results indicated that daily body gain (DBG)) recorded the highest value (101.67 g) with G2 followed by G3 (96.67 g) and lastly G1 (75.0 g) and the differences were significant. The DBG increased by 35.56 and 28.89% with G2 and G3, compared to control group (G1). The best-feed utilization efficiency, based on DM intake, was recorded with G2 (6.25) followed by G3 (6.62) in comparison with G1 (8.60), respectively. Moreover, the improvement in feed efficiency, based on CP, was 27.33 and 23.02 % for the two tested groups (G2 and G3), compared with control (G1). Thus, the feed economic efficiency was noticeably better by 4.89 % and 14.69% with adding linseed oil (G2) and sunflower oil (G3), at level 3% of total DM intake, respectively, compared with G1 (control). The obtained results showed that the daily DM intake decreased (63.09 vs. 60.06 and 59.12 g/kgw0.75) due to adding oil types to goats rations (G1 vs. G3 and G2, respectively).<br />The experimental rations had no significant effect on ruminal pH values and total VFA's during 2, 4 and 6 hrs post-feeding. However, ammonia-N concentration and microbial protein, during 2, 4 and 6 hrs post-feeding, were significantly higher (p<0.05) with G2 and G3 compared to G1. The obtained results indicate that most tested blood profile parameters; serum glucose, total protein, albumin, globulin, triglycerides and cholesterol not significantly affected by tested experimental rations. Meanwhile, kids of tested groups (G2 and G3) had higher (P<0.05) HDL and lower LDL than G1 kids.<br />The tested groups (G2 and G3) had significant (p<0.05) better fasting weight, hot carcass and whole prime cuts, kg. Dressing percentages either for carcass with or without offal's increased with G2 and G3 compared to control (G1), but differences were not significant. Meanwhile, whole prime cuts, kg were significantly (p<0.05) higher with G2 and G3, being 10.91 kg and 9.96 kg, respectively compared to control diet (G1, 8.84 kg). Fat percentage in the carcasses increased by increasing slaughtering weight especially in tested groups fed oils types. Results showed no significant differences among the groups in percentages of most organs and offal's, but differences were less significant for head and feet of tested groups than control. Thus, no significant differences found between treatments and control diet in weight of organs and offal's of kids.<br />Moreover, lean % in tested groups 2 and 3 were higher, being 58.21 % and 56.29 % compared with the control group (55.68 %). The same trended was observed on fat % in ribs of tested groups 2 and 3 which tended to be higher, (being 12.93 % and 12.47 % compared with the control group 11.15 %). . On the other hand, bone % in the ribs decreased with tested groups (G2 and G3), being 28.85 % and 31.25 % compared with the control group (G1, 31.84 %). Thechemical composition of longismus dorsi muscle tissues was similar across dietary treatments. The fat percentage (EE) on DM basis tended to increase in meat of animals fed oils diet (G2 and G3) compared to null-oil control (G1), while the CP, moisture and ash percentage tended to decrease.