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Taurine amino acid supplementation impacts performance, blood hematology, oxidative stress, and jejunum morphology in broiler chickens
AbstractExcess levels of free radicals cause oxidative damage to cells. Taurine is a rare amino acid with antioxidant effects whose dietary deficiency increases oxidative damage to the cell membrane. To investigate the effects of dietary taurine supplementation on performance, blood hematology, oxidative stress, and jejunum morphology in broilers, 300 broilers (Ras 308, 1D of age) were randomly allocated into 4 groups with 5 replicates of 15 birds. The experimental treatments included basic diet (control treatment) and basic diet with 1, 3, and 6  g/kg taurine amino acid. During 1 to 45 days, the inclusion of taurine supp...
Source: Tropical Animal Health and Production - April 13, 2024 Category: Veterinary Research Source Type: research

Photoperiod manipulation improves growth performance, haematological indices and economic returns of Indian butter catfish, Ompok bimaculatus (Bloch, 1794)
This study aimed to assess the impact of photoperiod on the growth performance, haematological responses, and economic returns of the endangered and highly valued Indian butter catfish,Ompok bimaculatus. Fish with an average body weight of 28.60  ± 4.78 g were randomly placed in six FRP tanks, each measuring 120 × 45 × 60 cm3. Each tank contained 20 fish exposed to a light intensity of 1500  lx under different photoperiods [24:0 light: dark (L: D), 15 L: 9D, 12 L: 12D, 9 L: 15D, 0 L: 24D and a natural photoperiod (control)], and fed at a daily rate of 2% of their body weight twice daily for 60 days. Th...
Source: Tropical Animal Health and Production - April 13, 2024 Category: Veterinary Research Source Type: research

Effect of feeding Bengal gram residual forage-based pelleted total mixed ration on growth performance, nutrient availability, carcass traits and composition in finisher Barbari kids
AbstractThe study aimed to assess the impact of feeding Bengal gram residual forage-based pelleted Total Mixed Ration (TMR) with varying concentrate (C) to roughage (R) ratios on feed intake, nutrient utilization, growth, and carcass characteristics in Barbari kids. Sixteen weaned male Barbari kids (av. age, 233  ± 11 days; weight, 13.86 ± 0.76 kg) were divided into two groups (T1 and T2), each receiving different pelleted diets (TMR) with distinct concentrate to roughage ratios (T1 with 60:40; T2 with 40:60). The kids were fed for 133 days, and a digestion trial was conducted at the end of the study. After comp...
Source: Tropical Animal Health and Production - April 13, 2024 Category: Veterinary Research Source Type: research

Effects of supplementing cassava root silage to grazing dairy cows on nutrient utilization, milk production and composition in the tropics
In conclusion, CRS may be a potential corn meal replacer in the supplement of dairy cows under tropical conditions. (Source: Tropical Animal Health and Production)
Source: Tropical Animal Health and Production - April 12, 2024 Category: Veterinary Research Source Type: research

Nutritional parameters and productive performance of grazing sheep using castor bean cake as supplement or fertilizer
The objective was to evaluate the effect of detoxified castor bean replacing soybean meal in the concentrate diet or as nitrogen organic fertilizer replacing urea on intake and nutrient digestibility, blood parameters and productive performance of sheep finished on irrigated Tamani grass pasture under continuous stocking and variable stocking rate. The treatments were two concentrate diets: standard (ground corn and soybean meal) and alternative diet (ground corn and detoxified castor bean cake), and two nitrogen fertilizers: chemical (urea) and organic (fresh castor bean cake). The randomized complete block design was use...
Source: Tropical Animal Health and Production - April 12, 2024 Category: Veterinary Research Source Type: research

Effect of urea-treated rice straw, mixed with faba bean straw, on nutrient digestibility, blood metabolites and performance of growing lambs
AbstractThe present study aimed to use poor quality roughages,  such as rice and faba bean straw, treated with or without urea, and their impacts on digestibility, rumen fermentation, some blood parameters, and growth performance of lambs. Twenty crossbred male lambs (1/4 Finland ×¾ Ossimi, 25±1.13kg live body weight) were chosen and divided into four groups. All lambs were fed rations of concentrated feed mixture at 2% of live weight with the following roughagesad libitum: URS (control group, untreated rice straw), TRS (urea-treated rice straw), FBS (faba bean straw), and TRS+FBS (mixture of TRS and FBS,  1:1). Nutr...
Source: Tropical Animal Health and Production - April 12, 2024 Category: Veterinary Research Source Type: research

The effect of ginger (Zingiber officinale L.) liquid extract on growth, immune response, antioxidant defence mechanism, and general health of Holstein calves
This study was carried out to examine the effects of ginger liquid extract (GLE) on the growth, immune response, antioxidative defence mechanism, and general health of Holstein calves. Sixteen calves (4-d old) were included in the experiment and randomly assigned to groups, and they were fed whole milk containing GLE at a rate of 0, 0.50, 0.72, and 1% of the milk amount consumed. Calves consuming 1% GLE were weaned at an earlier age and gained better body weight (BW) compared to the other groups. The group fed with 0.50% GLE consumed less daily starter than the other groups. The administration of GLE resulted in a non-sign...
Source: Tropical Animal Health and Production - April 11, 2024 Category: Veterinary Research Source Type: research

Bayesian approach for evaluation of lactation curve in cross bred cattle based on monthly and bimonthly test day milk yield
In this study Wood’s incomplete gamma function was fitted using Bayesian approach using m onthly (MTDY) and bimonthly test day (BTDY) yields. The lactation curve parameters thus obtained were used for prediction of FL305DMY. Efficiency of prediction based on monthly and bimonthly test day milk yield were compared using error of prediction. It was found to be 5.78% and 7.59% as root mean square error (RMSE) based on MTDY and BTDY respectively.The Breeding values of 97 Karan Fries sires were estimated using BLUP-AM based on actual and predicted FL305DMY thus obtained. The RMSE was calculated as the difference between estim...
Source: Tropical Animal Health and Production - April 9, 2024 Category: Veterinary Research Source Type: research

Productive performance, digestibility, carcass traits and meat quality in rabbits fed triticale-based diets supplemented with xylanase
The objective was to evaluate the effects of the enzyme xylanase included in triticale-based diets on productive performance, digestibility, carcass traits and meat quality in growing-finishing rabbits. Eighty rabbits (New Zealand X California breed), 35 days old, with an average initial live weight of 821  ± 26 g, were used. Twenty animals for treatment were used in each one of the fourth experimental treatments: 0, 4000, 8000 and 12,000 XU/kg of xylanase inclusion (XilaBlend 6X). The rabbits were fed ad libitum and fecal excretion was collected on days 7, 14, 21, 28 and 35 of the experimental period. At the end of ...
Source: Tropical Animal Health and Production - April 3, 2024 Category: Veterinary Research Source Type: research

Polymorphism of growth hormone (GH) gene and its association with performance and body conformation of Harnali sheep
AbstractThe present study was carried out to study the polymorphism in the GH gene and its association with various performance and body conformation traits, viz., birth weight (B-WT), weaning weight (W-WT), six-month body weight (6  M-WT), one-year body weight (Y-WT), annual greasy fleece weight (AGFW), body length (BL), body height (BH), heart girth (HG) and paunch girth (PG) in 138 Harnali sheep. PCR–RFLP was performed to identify polymorphism in the targeted region of the GH gene. The PCR product of 422 bp size of the G H gene was amplified encompassing partial exon 2 and inton 3 in Harnali sheep. The PCR product w...
Source: Tropical Animal Health and Production - April 2, 2024 Category: Veterinary Research Source Type: research

Economic analysis of banana peel and sweet potato vines in diets for rabbits
In conclusion, it is more economical and feasible to feed rabbits with diets containing 100% BP and SPV, replacing maize and alfalfa hay. (Source: Tropical Animal Health and Production)
Source: Tropical Animal Health and Production - April 2, 2024 Category: Veterinary Research Source Type: research

Dietary replacement of maggot meal for soybean meal: implication on performance indices, nutrient digestibility, nitrogen utilisation and carcass characteristics of grower rabbits
AbstractA study was conducted to investigate the effect of replacing soybean meal (SBM) with maggot meal (MM) in growing rabbits ’ diets on their performance, nutrient digestibility, and carcass characteristics. In the 56 days feeding trials, sixty unsexed mixed breeds (New Zealand White x California) rabbits were allotted on a weight equalization basis into five dietary treatments where a standard corn-soybean meal based d iet (0% of maggot meal) (MM0 diet) served as the while other diets had soybean meal replaced with MM at graded levels of 25, 50, 75 and 100% to give MM25, MM50, MM75, and MM100 diets respectively. Eac...
Source: Tropical Animal Health and Production - April 2, 2024 Category: Veterinary Research Source Type: research

Exploring the relationship between flumethrin resistance and Anaplasma marginale infection in Rhipicephalus (Boophilus) microplus ticks of cattle
AbstractThe study explores the relationship between flumethrin resistance andAnaplasma marginale infection inRhipicephalus (Boophilus)microplus of cattle in South Gujarat, India. Adult Immersion Test (AIT) was used to assess flumethrin resistance and polymerase chain reaction (PCR) to confirmA.marginale infection. Species-specific PCR resulted in the amplification of 576  bp of msp5 gene ofA.marginale in 17.69% (49/277) groups of ticks, and subsequent digestion with EcoRI cleaved it into two distinct segments. Navsari district, noted level Ι resistance [resistance factors (RF) = 1.78–3.34], andA.marginale prevalenc...
Source: Tropical Animal Health and Production - April 1, 2024 Category: Veterinary Research Source Type: research

Characteristics of sudanese camel-hair fibres under subtropical desert condition
AbstractThe study assessed the quality and variability of camel hair fibres in arid regions of Egypt. Raw camel-hair samples were collected from fifteen Sudanese camels divided into seven males (414.60  ± 38.19 kg, BW) and eight females (401.67 ± 26.76 kg BW), and the study investigated the influences of animal sex on both the physical and chemical traits of camel-hair fibers. The relationships among physical properties and both mineral and amino acid content were studied. Camel’s se x had no significant effect on any of the studied traits including fibre diameter (FD), prickle factor (PF), medullated fibre (...
Source: Tropical Animal Health and Production - March 25, 2024 Category: Veterinary Research Source Type: research

Finishing of grazing crossbred steers supplemented with detoxified castor bean meal (Ricinus communis L.) in the rainy-dry transition period
This study evaluated levels of replacement of soybean meal by castor bean meal in the finishing crossbred steers onBrachiaria brizantha cv. Marandu pasture during the rainy-dry transition period. Forty Holstein-Zebu crossbred steers with an average initial weight of 395.93  ± 10 kg were randomly allocated to four treatment groups that were supplemented with concentrate levels of replacing (0, 290, 613, and 903 g/kg DM of the supplement; at 0.4% body weight [BW]). The experimental period was 120 days. A completely randomized experimental design was adopted; wit h regression analysis using the computational software ...
Source: Tropical Animal Health and Production - March 23, 2024 Category: Veterinary Research Source Type: research